使用方法步驟：1.施工(gong)(gong)(gong)前認真(zhen)審查圖紙，人(ren)防(fang)風(feng)管(guan)(guan)優選貨(huo)源(yuan)，對圖紙中所(suo)存(cun)在的與其(qi)(qi)它(ta)相矛盾的地方，人(ren)防(fang)風(feng)管(guan)(guan)貨(huo)源(yuan)，及時(shi)與其(qi)(qi)人(ren)員共(gong)同研究解決。提取施工(gong)(gong)(gong)過程(cheng)所(suo)用的材料、機具(ju)(ju)。并(bing)要(yao)(yao)求材料、機具(ju)(ju)進(jin)場(chang)要(yao)(yao)及時(shi)到位。施工(gong)(gong)(gong)前要(yao)(yao)繪制(zhi)好(hao)預(yu)(yu)(yu)留洞，3mm人(ren)防(fang)風(feng)管(guan)(guan)價格(ge)，預(yu)(yu)(yu)埋套管(guan)(guan)草圖，并(bing)要(yao)(yao)對施工(gong)(gong)(gong)班組作出的技術交(jiao)底。預(yu)(yu)(yu)留孔洞措施地下(xia)二層人(ren)防(fang)工(gong)(gong)(gong)程(cheng)通(tong)風(feng)系統風(feng)管(guan)(guan)成(cheng)風(feng)口穿砼墻時(shi)均(jun)需預(yu)(yu)(yu)留孔洞。本工(gong)(gong)(gong)程(cheng)模具(ju)(ju)采用木模，由木工(gong)(gong)(gong)統一(yi)制(zhi)作，風(feng)管(guan)(guan)或風(feng)口為A×B，則應制(zhi)作（A+100）×（B+100）的木模（木模以其(qi)(qi)外形尺(chi)寸計量）。

3.柔(rou)性通(tong)風(feng)人(ren)防(fang)(fang)套(tao)管(guan)(guan)－－就(jiu)是(shi)(shi)在套(tao)管(guan)(guan)與(yu)管(guan)(guan)道(dao)(dao)之間(jian)用柔(rou)性材封(feng)(feng)堵起到密(mi)封(feng)(feng)效果(guo)。鋼性人(ren)防(fang)(fang)套(tao)管(guan)(guan)－－就(jiu)是(shi)(shi)套(tao)管(guan)(guan)與(yu)管(guan)(guan)道(dao)(dao)間(jian)用剛(gang)性材料封(feng)(feng)堵達(da)到密(mi)封(feng)(feng)效果(guo)。通(tong)風(feng)人(ren)防(fang)(fang)套(tao)管(guan)(guan)－－就(jiu)是(shi)(shi)套(tao)管(guan)(guan)所使用的(de)環境是(shi)(shi)防(fang)(fang)止液體(ti)漏(lou)出或漏(lou)入的(de)地(di)方（比如水池、化糞池、地(di)下室等），就(jiu)是(shi)(shi)在通(tong)風(feng)人(ren)防(fang)(fang)套(tao)管(guan)(guan)外壁增加不少于1圈的(de)防(fang)(fang)水翼，這(zhe)樣套(tao)管(guan)(guan)澆(jiao)筑(zhu)在墻體(ti)內時就(jiu)成(cheng)為(wei)一(yi)個整體(ti)，內蒙(meng)古人(ren)防(fang)(fang)風(feng)管(guan)(guan)價格，不會因(yin)(yin)脹縮(suo)因(yin)(yin)數而出現裂紋(wen)而滲漏(lou)。

人(ren)防(fang)風(feng)(feng)(feng)管價格(ge)—人(ren)防(fang)風(feng)(feng)(feng)管價格(ge)的(de)(de)戰時(shi)(shi)(shi)通風(feng)(feng)(feng)設(she)(she)計概況(二等人(ren)員掩(yan)蔽部)設(she)(she)清(qing)潔式(shi)、濾毒式(shi)、隔(ge)絕式(shi)通風(feng)(feng)(feng)三種通風(feng)(feng)(feng)方式(shi)；隔(ge)絕防(fang)護時(shi)(shi)(shi)間：二等人(ren)掩(yan)≥3小時(shi)(shi)(shi)；CO 容許體(ti)積濃度:≤2.5% ；小防(fang)毒通道(dao)換氣次(ci)數：二等人(ren)掩(yan)≥40次(ci)/時(shi)(shi)(shi);清(qing)潔區(qu)超壓(ya):≥30Pa ；戰時(shi)(shi)(shi)移動電(dian)站(zhan)：采用(yong)(yong)全空氣冷卻(que)，新風(feng)(feng)(feng)經防(fang)護設(she)(she)備、除(chu)塵設(she)(she)備后，由一臺斜(xie)流(liu)風(feng)(feng)(feng)機(ji)(ji)送風(feng)(feng)(feng)，排除(chu)電(dian)站(zhan)內(nei)有(you)害氣體(ti)及柴油機(ji)(ji)散熱量， 保證電(dian)站(zhan)微負(fu)壓(ya)；送風(feng)(feng)(feng)、排風(feng)(feng)(feng)管道(dao)在穿(chuan)越機(ji)(ji)房墻壁時(shi)(shi)(shi)，必(bi)須把預(yu)留(liu)洞孔的(de)(de)四(si)周(zhou)用(yong)(yong)水泥(ni)堵(du)塞，必(bi)要時(shi)(shi)(shi)還須用(yong)(yong)消音棉(mian)嵌密，防(fang)止漏聲；進風(feng)(feng)(feng)機(ji)(ji)出口設(she)(she)有(you)消聲器、進風(feng)(feng)(feng)機(ji)(ji)室設(she)(she)有(you)回風(feng)(feng)(feng)消聲器 排風(feng)(feng)(feng)機(ji)(ji)入口設(she)(she)有(you)消聲器。