ï»?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "//www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 闃茬伀闃€銆佹帓鐑熼槻鐏榾鐨勮缃粙缁?闃茬伀闃€-寰峰窞鍑嚎

久久8精品亚洲AV无码_边摸边吃奶边做好硬好深_Y11111少妇无码电影_精品人在线二线三线区别

æœåŠ¡çƒ­çº¿åQ?/p>18553413390

æŽ(æŽ)(æŽ(æŽ))’烟防ç«(zhong)阀,电动防ç«(zhong)阀,风é‡è°ƒèŠ‚阀,烟é“(wang)防ç«(zhong) 阀,多å¶æŽ(æŽ)(æŽ(æŽ))’烟å?正压(nie)é€é(xing)£Žå?nbsp; 生äñ”(hai)销售商åQ?/p>

å¯æ ¹æ(rong)®å®¢æˆ·ä¸(zhen)åŒçš„需è¦ï¼Œ˜q›è¡Œé˜²ç«é˜€å®šåˆ¶ç”Ÿäñ”

争K¸½åœ¨çº¿å®¢æœ¾pÈ»Ÿ
排烟防ç«é˜€çŸ¥è¯†

防ç«é˜€ã€æŽ’烟防ç«é˜€çš„设¾|®ä»‹¾l?/h1>

点击åQ?Script Language="Javascript" Src="//2697.com.cn/item/GetHits.asp?Action=Count&GetFlag=0&m=1&ID=2944"> å‘布旉™—´åQ?020òq?3æœ?7æ—?/span>

防ç«é˜€ã€?a href="//2697.com.cn" target="_self">排烟防ç«é˜€çš„设¾|®ä»‹¾l在通风ã€ç©ºè°ƒç³»¾lŸç®¡é“上è®ùN˜²ç«é˜€åQŒåœ¨æŽ’烟¾pÈ»Ÿ½Ž¡é“上设排烟防ç«é˜€åQŒä»¥é˜²æ­¢ç«ç¾æ—‰™«˜æ¸©æœ‰æ¯’烟气传输,引è“vç«ç¾è”“åšg扩大和毒性加é‡ã€?/p>

防ç«é˜€ã€æŽ’烟防ç«é˜€çš„设¾|®ä»‹¾l? onmousewheel=

防ç«é˜€ã€æŽ’烟防ç«é˜€çš„设¾|®ä»‹¾l?/p>

1.在下列情况之一的通风ã€ç©ºè°ƒç³»¾lŸçš„风管应设¾|®é˜²ç«é˜€åQ?/p>

(1)½Ž¡é“½I¿è¶Šé˜²ç«åˆ(rou)†åŒºçš„隔墙处;

(2)½Ž¡é“½I¿è¶Š(du)通风ã€ç(quan)©ºæ°”调节机房åŠé‡è¦çš„æ(juan)ˆ–(shou)ç«ç¾å±é(bian)™©æ€§å¤§çš„æ(juan)ˆ¿é—´éš”墙和(nin)楼æ(jian)¿å¤?

(3)垂直风管与æ¯å±‚æ°´òq³é£Ž½Ž¡äº¤æŽ¥å¤„çš„æ°´òq³ç®¡ŒD?/p>

(4)½Ž¡é“½I¿è¶Šå˜åÅž¾~的两侧ã€?/p>

上述部ä½çš„防ç«é˜€åQŒå½“ç«ç¾ä¸­ç®¡é“中气体的温度达åˆ?0oCæ—Óž¼Œåˆ™è‡ªåŠ¨å…³é—­ã€?/p>

2.排烟(hao)¾pÈ»Ÿ(bai)çš„å(fan)ˆ†éš”:

(1)在排烟æ(jian)œº(man)房ç(kua)š„(qing)人å£å¤„,讄¡½®(jiang)当烟æ°(pin)”温度超˜q(ma)(ma)?80oC时能自动å…(wei)³é—­çš„排烟é(yi)˜²ç«é˜€ã€‚æ(yong)Ž’烟æ(jian)œº(man)应ä¿è¯åœ¨280oC时能˜q(ma)(ma)žç®‹å·¥ä½œ30min;

(2)在排烟支½Ž¡ä¸Šè®„¡½®å½“烟气温度超˜q?80C时能自行关闭的排烟防ç«é˜€ã€?/p>

========================================

凯亿(hao)½Iø™°ƒè®‘Ö¤‡æœ(lian)‰é™å…¬å¸åQ(ben)šçºª   报ä­h电è¯åQ(ben)?5806889279

========================================