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地址(zhi):重慶市江津區雙福新區福星大道937號鑫成瑞暖通廠區
1.風管(guan)(guan)(guan)(guan)(guan)程(cheng)度安裝(zhuang),邊(bian)(bian)長(chang)尺寸(cun)(cun)小(xiao)于(yu)(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)(yu)400mm,間距不(bu)應(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)4m;大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)400mm,不(bu)應(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)3m;對于(yu)(yu)(yu)(yu)(yu)薄(bo)鋼板法蘭的(de)風管(guan)(guan)(guan)(guan)(guan),其支(zhi)、吊(diao)(diao)架(jia)間距不(bu)應(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)3m。2.風管(guan)(guan)(guan)(guan)(guan)垂直(zhi)安裝(zhuang),間距不(bu)應(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)4m,單根直(zhi)管(guan)(guan)(guan)(guan)(guan)至(zhi)少應(ying)(ying)(ying)有2個固(gu)定(ding)點(dian)。3.支(zhi)、吊(diao)(diao)架(jia)不(bu)宜(yi)設(she)置在風口、閥門、檢討門及(ji)自控(kong)機構處,離(li)(li)風口或插接管(guan)(guan)(guan)(guan)(guan)的(de)距離(li)(li)不(bu)宜(yi)小(xiao)于(yu)(yu)(yu)(yu)(yu)200mm。4.當程(cheng)度懸吊(diao)(diao)的(de)主、干風管(guan)(guan)(guan)(guan)(guan)長(chang)度超過(guo)20m時,應(ying)(ying)(ying)設(she)置防(fang)止擺動固(gu)定(ding)點(dian),每(mei)個系統不(bu)應(ying)(ying)(ying)少于(yu)(yu)(yu)(yu)(yu)1個。5.防(fang)火閥直(zhi)徑或長(chang)邊(bian)(bian)尺寸(cun)(cun)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)(yu)630mm時,宜(yi)設(she)獨立支(zhi)、吊(diao)(diao)架(jia)。6.帶高(gao)效過(guo)濾(lv)器的(de)送風口,應(ying)(ying)(ying)采(cai)取可(ke)分離(li)(li)調節高(gao)度的(de)吊(diao)(diao)桿。金屬(shu)風管(guan)(guan)(guan)(guan)(guan)的(de)加(jia)固(gu):矩形風管(guan)(guan)(guan)(guan)(guan)邊(bian)(bian)長(chang)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)630mm、保溫(wen)風管(guan)(guan)(guan)(guan)(guan)邊(bian)(bian)長(chang)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)800mm,并(bing)且管(guan)(guan)(guan)(guan)(guan)段長(chang)度大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)1250mm或低壓風管(guan)(guan)(guan)(guan)(guan)單邊(bian)(bian)平面積(ji)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)1.2m2、中(zhong)、高(gao)壓風管(guan)(guan)(guan)(guan)(guan)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)1.0m2中(zhong),均(jun)應(ying)(ying)(ying)采(cai)用(yong)加(jia)固(gu)辦法。角鋼、加(jia)固(gu)筋(jin)的(de)加(jia)固(gu),其高(gao)度應(ying)(ying)(ying)小(xiao)于(yu)(yu)(yu)(yu)(yu)或等(deng)于(yu)(yu)(yu)(yu)(yu)風管(guan)(guan)(guan)(guan)(guan)的(de)寬度。角鋼、加(jia)固(gu)筋(jin)與風管(guan)(guan)(guan)(guan)(guan)鉚(liu)接的(de)間隔(ge)應(ying)(ying)(ying)均(jun)勻(yun),不(bu)應(ying)(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)(yu)220mm。.對于(yu)(yu)(yu)(yu)(yu)凈化空調系統,不(bu)應(ying)(ying)(ying)在風管(guan)(guan)(guan)(guan)(guan)內設(she)加(jia)固(gu)框及(ji)加(jia)固(gu)筋(jin)。
消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)一(yi)般是采(cai)用離(li)心式(shi)(shi)(shi)(shi)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)和軸(zhou)流式(shi)(shi)(shi)(shi)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)兩種(zhong)(zhong)重要的(de)(de)型式(shi)(shi)(shi)(shi)。從(cong)消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)風(feng)(feng)量(liang)、風(feng)(feng)壓(ya)考慮來(lai)(lai)看,消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)是高(gao)比轉高(gao)效率的(de)(de)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),更加的(de)(de)適合選(xuan)用軸(zhou)流風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。軸(zhou)流式(shi)(shi)(shi)(shi)消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)有(you)兩種(zhong)(zhong)設計(ji)型式(shi)(shi)(shi)(shi),一(yi)種(zhong)(zhong)為電機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)與主(zhu)氣流分離(li)型式(shi)(shi)(shi)(shi),另一(yi)種(zhong)(zhong)為電機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)置于(yu)主(zhu)氣流之中(zhong)。根據煙(yan)(yan)(yan)(yan)(yan)氣溫(wen)(wen)度(du)(du)的(de)(de)不(bu)(bu)同(tong)(tong)(tong),采(cai)用不(bu)(bu)同(tong)(tong)(tong)型式(shi)(shi)(shi)(shi)的(de)(de)消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),溫(wen)(wen)度(du)(du)大于(yu)400℃時,采(cai)用電機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)與主(zhu)氣流分離(li)型式(shi)(shi)(shi)(shi),溫(wen)(wen)度(du)(du)小于(yu)400℃大于(yu)150℃,兩種(zhong)(zhong)型式(shi)(shi)(shi)(shi)的(de)(de)電機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)都可以(yi)選(xuan)擇,在溫(wen)(wen)度(du)(du)小于(yu)150℃的(de)(de)時候,采(cai)用電機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)置于(yu)主(zhu)氣流之中(zhong)。 軸(zhou)流消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)流量(liang)范圍從(cong)7200m?/h至110000m?/h,有(you)不(bu)(bu)同(tong)(tong)(tong)型號的(de)(de)編制,用來(lai)(lai)滿足(zu)不(bu)(bu)同(tong)(tong)(tong)通風(feng)(feng)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)流量(liang)的(de)(de)需求。消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)可以(yi)根據壓(ya)力(li)情況的(de)(de)不(bu)(bu)同(tong)(tong)(tong)分為兩種(zhong)(zhong)類(lei)型,一(yi)類(lei)為軸(zhou)流式(shi)(shi)(shi)(shi)消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),其(qi)各機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)號的(de)(de)壓(ya)力(li)在600Pa左右,另一(yi)類(lei)為斜流消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),各機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)號的(de)(de)壓(ya)力(li)在1000Pa左右。為了(le)滿足(zu)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)量(liang)和通風(feng)(feng)換氣的(de)(de)要求,消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)一(yi)般都設計(ji)了(le)雙速型的(de)(de)結構模(mo)式(shi)(shi)(shi)(shi)。低速可以(yi)通風(feng)(feng)使用,高(gao)速可以(yi)排(pai)(pai)(pai)(pai)(pai)放煙(yan)(yan)(yan)(yan)(yan)霧,這(zhe)樣(yang)不(bu)(bu)但可以(yi)節約能源同(tong)(tong)(tong)時又降低了(le)噪聲(sheng)污(wu)染(ran)。
按照(zhao)氣流(liu)(liu)(liu)(liu)運動(dong)(dong)來進(jin)行風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)分類(lei)的(de)有(you):1離心(xin)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji),氣流(liu)(liu)(liu)(liu)進(jin)入(ru)旋(xuan)轉的(de)葉(xie)(xie)(xie)片通道,在離心(xin)力(li)(li)作用(yong)下氣體被壓(ya)縮并沿著半徑方(fang)向(xiang)流(liu)(liu)(liu)(liu)動(dong)(dong)。2軸(zhou)(zhou)流(liu)(liu)(liu)(liu)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)氣流(liu)(liu)(liu)(liu)軸(zhou)(zhou)向(xiang)進(jin)入(ru)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)葉(xie)(xie)(xie)輪(lun)后,在旋(xuan)轉葉(xie)(xie)(xie)片的(de)流(liu)(liu)(liu)(liu)道中(zhong)沿著軸(zhou)(zhou)線(xian)方(fang)向(xiang)流(liu)(liu)(liu)(liu)動(dong)(dong)的(de)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)。相對于離心(xin)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji),軸(zhou)(zhou)流(liu)(liu)(liu)(liu)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)具有(you)流(liu)(liu)(liu)(liu)量大(da)、體積小、壓(ya)頭低(di)的(de)特點,用(yong)于有(you)灰塵和腐蝕性氣體場合(he)時需注意。3斜(xie)流(liu)(liu)(liu)(liu)式(shi)(混流(liu)(liu)(liu)(liu)式(shi))風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji),在風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)的(de)葉(xie)(xie)(xie)輪(lun)中(zhong),氣流(liu)(liu)(liu)(liu)的(de)方(fang)向(xiang)處(chu)于軸(zhou)(zhou)流(liu)(liu)(liu)(liu)式(shi)之間,近似沿錐(zhui)流(liu)(liu)(liu)(liu)動(dong)(dong),故可稱為斜(xie)流(liu)(liu)(liu)(liu)式(shi)(混流(liu)(liu)(liu)(liu)式(shi))風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)。這種風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)的(de)壓(ya)力(li)(li)系數比軸(zhou)(zhou)流(liu)(liu)(liu)(liu)式(shi)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)高,而(er)流(liu)(liu)(liu)(liu)量系數比離心(xin)式(shi)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)高。
什么是風管,常見風管有哪些類型,風管主要指中央空調系統的通風管道,它常常被忽視,但風管卻是空調系統的重要組成部分。風管是由薄鋼板、鋁板、硬聚氯乙烯板、玻璃鋼以及其它復合材料等制成的,值得信賴的風管用于輸送空氣和空氣混合(he)物的(de)各種(zhong)管(guan)道的(de)總稱(cheng)。1、按(an)照(zhao)材質可(ke)(ke)分(fen)(fen)(fen)為(wei):金(jin)屬(shu)(shu)風(feng)(feng)(feng)(feng)管(guan)、非金(jin)屬(shu)(shu)風(feng)(feng)(feng)(feng)管(guan)。其(qi)中:(1)金(jin)屬(shu)(shu)風(feng)(feng)(feng)(feng)管(guan)又可(ke)(ke)分(fen)(fen)(fen)為(wei):鋼(gang)板(ban)風(feng)(feng)(feng)(feng)管(guan)、鋁(lv)板(ban)風(feng)(feng)(feng)(feng)管(guan)、不銹鋼(gang)風(feng)(feng)(feng)(feng)管(guan)等;(2)非金(jin)屬(shu)(shu)風(feng)(feng)(feng)(feng)管(guan)可(ke)(ke)以分(fen)(fen)(fen)為(wei):硬聚(ju)氯乙烯風(feng)(feng)(feng)(feng)管(guan)、有機(ji)玻(bo)(bo)璃風(feng)(feng)(feng)(feng)管(guan)、無(wu)機(ji)玻(bo)(bo)璃風(feng)(feng)(feng)(feng)管(guan)、玻(bo)(bo)璃鋼(gang)風(feng)(feng)(feng)(feng)管(guan)以及其(qi)它復合(he)材料風(feng)(feng)(feng)(feng)管(guan)等;2、按(an)照(zhao)風(feng)(feng)(feng)(feng)管(guan)外(wai)形(xing)可(ke)(ke)分(fen)(fen)(fen)為(wei):圓形(xing)風(feng)(feng)(feng)(feng)管(guan)、矩形(xing)風(feng)(feng)(feng)(feng)管(guan);3、按(an)照(zhao)通風(feng)(feng)(feng)(feng)空調系統工作(zuo)壓力可(ke)(ke)分(fen)(fen)(fen)為(wei):高(gao)壓風(feng)(feng)(feng)(feng)管(guan)、中壓風(feng)(feng)(feng)(feng)管(guan)、低壓風(feng)(feng)(feng)(feng)管(guan)三個類別,
排煙防火(huo)(huo)(huo)閥在火(huo)(huo)(huo)災發生時起到重要(yao)(yao)(yao)的保護作(zuo)用,因此其(qi)安(an)全及(ji)耐高溫性能要(yao)(yao)(yao)好(hao)。那么大家對其(qi)還有哪些了(le)解呢?下面就跟隨簡要(yao)(yao)(yao)了(le)解下其(qi)主要(yao)(yao)(yao)功能及(ji)相(xiang)關優勢(shi)吧。這款排煙防火(huo)(huo)(huo)閥輸入(ru)DC24V電(dian)信(xin)號,電(dian)磁鐵動作(zuo)、閥門敏捷敞開(kai)(kai)(kai);手動封閉(bi),手動復位(wei)敞開(kai)(kai)(kai);可輸出閥門開(kai)(kai)(kai)封閉(bi)信(xin)號及(ji)聯鎖操控(kong)信(xin)號;0°~90°范圍內手動調(diao)理葉片敞開(kai)(kai)(kai)度;(調(diao)理型)。其(qi)主要(yao)(yao)(yao)優勢(shi)有:1.漏(lou)風量(liang)低、氣密功能好(hao);2.電(dian)動敞開(kai)(kai)(kai)耗(hao)費(fei)電(dian)流(liu)小;3.防腐功能強,運用壽命長;4.執行機(ji)構(gou)驅(qu)動靈敏,反應、聯鎖信(xin)號精確。
通風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)安裝程序:(1)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)組裝:當(dang)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)較(jiao)短時(shi)(shi),可(ke)(ke)一次(ci)在(zai)(zai)地(di)面(mian)組裝而(er)成,當(dang)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)較(jiao)長(chang)時(shi)(shi),可(ke)(ke)視安裝場地(di)的(de)(de)情(qing)況,在(zai)(zai)地(di)面(mian)分段(duan)組裝。組裝時(shi)(shi)應(ying)(ying)盡量(liang)調(diao)(diao)(diao)整(zheng)風(feng)(feng)道(dao)的(de)(de)中(zhong)心度(du)(du)(du)和(he)水(shui)平(ping)度(du)(du)(du),避免風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)扭曲或上下起波,左右擺龍,每段(duan)風(feng)(feng)道(dao)不宜超過10m.組裝時(shi)(shi),墊片應(ying)(ying)墊平(ping),法(fa)蘭螺栓(shuan)應(ying)(ying)均勻(yun)擰緊,螺母帽均朝向(xiang)(xiang)同一方(fang)(fang)(fang)(fang)向(xiang)(xiang)。(2)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)就(jiu)(jiu)(jiu)位(wei)(wei):風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)就(jiu)(jiu)(jiu)位(wei)(wei)前應(ying)(ying)檢查全部支(zhi)架(jia)(jia)(jia)的(de)(de)水(shui)乎度(du)(du)(du)和(he)標高、檢查支(zhi)架(jia)(jia)(jia)的(de)(de)牢固(gu)程度(du)(du)(du),風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)就(jiu)(jiu)(jiu)位(wei)(wei)可(ke)(ke)采用(yong)直接和(he)吊(diao)(diao)具(ju)兩(liang)(liang)種方(fang)(fang)(fang)(fang)法(fa)。對風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)斷(duan)面(mian)較(jiao)小(xiao),又(you)位(wei)(wei)置較(jiao)低的(de)(de)可(ke)(ke)采用(yong)人工(gong)就(jiu)(jiu)(jiu)位(wei)(wei)方(fang)(fang)(fang)(fang)法(fa),只需(xu)搭(da)設簡(jian)易腳手(shou)架(jia)(jia)(jia)即可(ke)(ke)。當(dang)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)斷(duan)面(mian)較(jiao)大且管(guan)(guan)(guan)(guan)(guan)(guan)(guan)段(duan)較(jiao)長(chang)時(shi)(shi),可(ke)(ke)采用(yong)滑輪(lun)、倒鏈、大繩等(deng)方(fang)(fang)(fang)(fang)法(fa)吊(diao)(diao)裝。世紀星(xing)介紹(shao)為了便(bian)于風(feng)(feng)道(dao)就(jiu)(jiu)(jiu)位(wei)(wei),一般多(duo)采用(yong)將(jiang)風(feng)(feng)道(dao)吊(diao)(diao)在(zai)(zai)腳手(shou)架(jia)(jia)(jia)上,然后(hou)再將(jiang)其抬放在(zai)(zai)風(feng)(feng)道(dao)支(zhi)架(jia)(jia)(jia)上的(de)(de)方(fang)(fang)(fang)(fang)法(fa)。腳手(shou)架(jia)(jia)(jia)應(ying)(ying)沿其風(feng)(feng)道(dao)長(chang)度(du)(du)(du)方(fang)(fang)(fang)(fang)向(xiang)(xiang)搭(da)設,高度(du)(du)(du)和(he)位(wei)(wei)置應(ying)(ying)適合施工(gong)操作,吊(diao)(diao)裝順序應(ying)(ying)先干(gan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)后(hou)支(zhi)、立管(guan)(guan)(guan)(guan)(guan)(guan)(guan),吊(diao)(diao)起時(shi)(shi),吊(diao)(diao)點應(ying)(ying)牢固(gu),兩(liang)(liang)吊(diao)(diao)點應(ying)(ying)均勻(yun)受力。垂(chui)直風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)可(ke)(ke)采用(yong)人工(gong)和(he)大繩輔助就(jiu)(jiu)(jiu)位(wei)(wei)。調(diao)(diao)(diao)整(zheng)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)保(bao)證(zheng)垂(chui)直度(du)(du)(du)要求。(3)風(feng)(feng)道(dao)調(diao)(diao)(diao)直:就(jiu)(jiu)(jiu)位(wei)(wei)在(zai)(zai)支(zhi)架(jia)(jia)(jia)上的(de)(de)風(feng)(feng)道(dao),應(ying)(ying)撥正位(wei)(wei)置,調(diao)(diao)(diao)整(zheng)風(feng)(feng)道(dao)橫平(ping)豎直,然后(hou)再按(an)圖(tu)集要求固(gu)定(ding)。