è”系人:¾Uªç»ç?/p>
手机åQ?5806889279
邮箱åQ?5806889279@163.com
地å€åQšå±±ä¸œçœå¾·å·žå¸‚æ¦åŸŽé²æƒå±¯å·¥ä¸šå›?/p>
-
2020-12-153C防ç«é˜€å®šåˆ¶ç”Ÿäñ”厂家
一般æ¥è¯ß_¼Œåœ¨æŒ‘é€?c防ç«é˜€çš„时分,主è¦çœ‹å®ƒçš„功用好ä¸å¥½åQŒéœ€æ±‚ä¾æ®å¸¸å¼€ä»æ˜¯å¸”R—åQŒæˆ–者是自动ž®é—æ•žå¼€½{‰è¿›è¡ŒæŒ‘选,自èínè¦æ˜¯æ‰‹åŠ¨æ“作和自动æ“作ä»æ˜¯ä¼šæœ‰å¾ˆå¤§çš„ä¸åŒåQŒåœ¨æŒ‘选的时分也需求看看全体的间隔或者是规模是ä¸æ˜¯åˆç?/p>
-
2020-12-1070℃防ç«é˜€ç”¨å¤„
防ç«é˜€æ˜¯ç”¨äºŽè‡ªåŠ¨é˜»æ–æ¥è‡ªç«ç‘ÖŒºçš„çƒæ°”æµã€ç«ç„°çš„阀门。å¯ä»¥æ‰‹åŠ¨è°ƒèŠ‚风é‡ï¼Œæ¸©æ„Ÿå™¨åŠ¨ä½œå…³é—阀门,动作åŽè¾“å‡ÞZ¿¡å—÷€‚还有一些诸如电动防ç«é˜€ã€æ°”动防ç«é˜€ã€å…¨è‡ªåŠ¨é˜²ç«é˜€ä»¥åŠæŽ’烟防ç«é˜€½{‰ã€‚阀门在安装完æˆæŠ•å…¥ä½¿ç”¨æ—?/p>
-
2020-11-29高层建ç‘防ç«é˜€è®„¡½®å®‰è£…
防ç«é˜€è®¾è®¡å®‰è£…问题ž®ÞqŽ°é˜¶æ®µè€Œè¨€åQŒé«˜å±‚å¾½{‘防ç«é˜€åœ¨è®¾è®¡å®‰è£…过½E‹ä¸ä¸»è¦å˜åœ¨ä»¥ä¸‹å‡ æ–¹é¢é—®é¢˜ã€?ã€æœªå¯šw€šé£Ž½Ž¡é“在横½I¿å¾½{‘çš„å˜åÅž¾~处讄¡½®ç›¸åº”的防ç«é˜€ã€‚对当å‰å¤šæ•°é«˜å±‚建瑘q›è¡Œåˆ†æžå¯çŸ¥åQŒå…¶å»ºç‘消防工作大都集ä¸äºŽé€šé£Ž½Ž?/p>
-
2020-11-29防ç«é˜€è®„¡½®
åQ?åQ‰äØ“(fu)了阻æ(shu)¢ç«ç(zun)¾æ(ju)—¶(lu)ç(zun)«åŠ¿(cheng)å’Œæ(shen)œ‰(shi)毒é(ya)«˜(pei)温烟气通过é£(liang)Žç(tiao)®¡è”“åšg扩大åQŒåœ¨é€šé£Žã€ç©ºè°ƒç³»¾lŸçš„(qing)é£(liang)Žç(tiao)®¡ä¸Šé(cai)œ€è®(cong)„¡½®é˜²ç(cha)«é˜€ã€‚(2åQ‰å(sui)Ž¨æˆ(xi)Ñ€æ(gui)ʎ室和(nin)厕æ(chen)(chen)‰€(ji)½{‰çš„(qing)排é(ya)£Ž½Ž¡é“与ç(tiao)«–井连接时(lu)也应采å–(xiao)相应措施(dan)防æ¢ç(zun)«åŠ¿(cheng)沿ç€æŽ’é(ya)£Ž½Ž¡åœ¨å(yang)„æ(juan)¥¼å±‚间蔓åšg。厨æˆ(xi)Ñ€æ(gui)ʎ室和(nin)厕æ(chen)(chen)‰€(ji)
-
2020-11-27280度防ç«é˜€åŽŸç† 防烟防ç«é˜€åŽ‚家
280度防ç(zun)(zun)«é˜€(gu)工作基本原ç(xi)†æ˜(tuan)¯éžå¸¸å®¹æ˜(tuan)“ç(“ç)†”(tun)é“(yu)å(fen)ˆ(hao)金的(qing)(qing)温度(hai)æ“(na)纵(han)åQ(ben)Œè¿ç”¨ä½œç”¨åŠ›åŠ(e)Ÿæ•ˆ(han)(han)和弹黄机构的(qing)(qing)åŠ(e)Ÿæ•ˆ(han)(han)å…ÏxŽ‰é—”R(ge)˜€(gu)。当ç(zun)(zun)«ç¾äº‹æ(‹æ)•…产生æ—Óž¼Œ(ren)ç(zun)(zun)«è‹—侵入é£(liang)Žç®¡åQ(ben)Œé«˜æº(jing)«ä‹Éé—”R(ge)˜€(gu)上的(qing)(qing)æ˜(tuan)“ç(“ç)†”(tun)é“(yu)å(fen)ˆ(hao)金èžè§(nao)£ï¼Œ(ren)或ä‹É形状记忆åˆé‡‘é€ æˆå(hong)˜åŞ佉K—¸é˜€å…¨è‡ªåŠ(e)¨å…³(gua)掉,(ren)用以é£(liang)Žç®¡
-
2020-11-27防ç«é˜€å½’ç±» 消防排烟风机厂家
é˜(qu)(qu)²ç(cha)«é˜(qu)(qu)€ä¸€èˆ¬å®‰(pan)è£åœ¨é€(kun)šé(zheng)£Žé£Žç®¡½I¿è¶Š(du)é‡ç”ŸæœåŠ¡(gai)器防(gui)(gui)ç«å¢™å¤„ï(che)¼Œ(ren)èµïL«ç¾ä(ju)º‹(sun)æ•…å…³é—(xiang)功效ï(yu)¼Œ(ren)能够讑֮šè¼¸å‡ºé€(kun)šè(yun)®¯å™¨æåøP¼Œ(ren)温度‘…出70度或æ˜?80度时é˜(qu)(qu)€é—(xiang)¨å…³é—(xiang),(ren)˜qžå(tai)Š¨(nian)é€(kun)?è¡(chen)?¼›Õd¿ƒé£Žæœºå…(wei)³é—ã€(mo)‚防(gui)(gui)ç«é˜€çš„å½’¾c»ï¼š(xi)é˜(qu)(qu)²ç(cha)«é˜(qu)(qu)€1ã€(mo)防(gui)(gui)æŽ(æŽ)’烟¾pÈ»Ÿé˜(qu)(qu)²ç(cha)«è°ƒèŠ‚é˜(qu)(qu)€åQ(ben)Œå¼€ä¸Žå…³åQ(ben)?0
-
2020-11-253C防ç«é˜€è¯´æ˜Ž
您的(qing)ä½ç½®åQ(ben)šé(zheng)¦–™å(luo)?gt;>新闻动æ€?gt;>½Iø™°ƒè®‘Ö¤‡ç™„¡§‘3Cé˜(qu)²ç(cha)«é˜(qu)€éª(nan)Œè(Œè)¯æ“(na)ä(zhan)(zhan)½œ(hu)说æ(cun)˜Ž˜q”回列è(bian)¡¨æ¥æº(zan)åQ(ben)šå‘布æ(xie)—¥æœ(lian)(lian)Ÿï¼š(xi)3Cé˜(qu)²ç(cha)«é˜(qu)€éª(nan)Œè(Œè)¯æ“(na)ä(zhan)(zhan)½œ(hu)说æ(cun)˜Žä¸(juan)€ã€(mo)?Cå¾—è(bian)¯è§(nao)„定很高ã€(mo)?åQ(ben)šé(zheng)˜²ç«é˜€(gu)çš„é€é(fan)£Žé‡(yue)检‹¹‹çº¿å’Œæ¶ˆé˜(qu)²é(cha)£Žæœ(lian)(lian)ºåŠ¨(nian)òq(qian)Œ™¡¡ä»(xi)ªåŠ‹‚€‹¹‹çº¿æœ(lian)(lian)¬åŽ‚æ‰(jia)€æœ(lian)(lian)‰è¦å…ähœ‰ã€(mo)‚å(xiao)…¨
-
2020-11-25防ç«é˜€é€šå¸¸å®‰è£…在什么地方?
é˜(qu)(qu)²ç«(zhong)(zhong)é˜(qu)(qu)€æ˜¯å•¥åQ(ben)Ÿé€šå¸¸å®‰è£åœ(she)¨ä»€ä¹ˆåœ°æ–(kou)¹ï¼Ÿé˜(qu)(qu)²ç«(zhong)(zhong)é˜(qu)(qu)€å®‰è£åœ(she)¨æŽ’(ma)风管路,æŽ(æŽ)’æÑa烟ç(xi)®¡é(lang)“ä¸åQ(ben)Œé€šå¸¸å®‰è£åœ(she)¨æŒ¨˜q‘è(kui)áu‹¹é£Žæ‰‡å†…åQ(ben)Œåˆ†äºŒç(chu)§åQ(ben)?80度和70åº?ã€(mo)é‡(dun)ç”(ç”)Ÿç(xi)–散出å£å¤„åQ(ben)?ã€(mo)é‡(dun)ç”(ç”)Ÿé€é£Žã€(mo)空调系¾l(zi)Ÿé…(li)ç”(ç”)µå®¤çš„å(fan)±‹åéš”(cu)æ–(kou)墙和æ(shen)¥¼å±‚æ¿å¤„ï¼›3ã€(mo)é‡(dun)ç”(ç”)Ÿå…³é”®æˆ–ç«æƒ…(ƒ…)å(ti)±é(bian)™©å› ç´
-
2020-11-17电动防ç«é˜€ 排烟防ç«é˜€åŽ‚家
é˜(qu)²ç«(zhong)é˜(qu)€ä½¿ç(kua)”¨ä¸(juan)Žå®‰(pan)装详æƒ(luo)?1.定义é˜(qu)²ç«(zhong)é˜(qu)€å®‰è£…在自焉™€šé(zheng)£Ž½Iø™°ƒ¾p(fei)È(hun)»Ÿè½¯äšgçš„é(dan)€ã(bing)€å›žé£Žç®¡é(lang)“ä(pu)¸ŠåQ(ben)Œè¯¥¾p(fei)È(hun)»Ÿè½¯äšg通常是开攄¡š„(qing)ã€(mo)‚å‘生ç(xi)«(zhong)ç¾äº‹æ•…æ—¶åQ(ben)Œå½“½Ž¡é“内烟(hao)气温度达(jiu)åˆ?0æ—Óž¼Œå…(wei)³é—ã€(mo)‚在ä¸(juan)€å®šæ—¶é—´å†…åQ(ben)Œå¯è€ƒè™‘é˜(qu)²æŽ’(ma)烟å(zeng)’Œé˜(qu)²ç«(zhong)ä¸(juan)€è‡´æ€§çš„(qing)规定(lei)åQ(ben)Œåƈå¯è®¾¾|®å…·(hong)
-
2020-11-16280排烟阀 ˜qœæŽ§é˜²ç«é˜€åŽ‚家
280度防ç«é˜€¾pÕdˆ—特点åQšè¾“å…¥DC24V电信å—÷€ç”µ¼‚é“动作åQŒé˜€é—¨è‡ªåŠ¨å…³é—ã€?80度防ç«é˜€æ¸©æ„Ÿå™¨åŠ¨ä½œï¼Œé˜€é—¨è‡ªåŠ¨å…³é—。手动关é—。输出关é—ä¿¡åähˆ–è”é”控制信å·ã€‚手动调节å¶ç‰‡è§’度,五档调节风é‡ã€‚工作电压:DC24V+10%,-15%。工作电‹¹?/p>
-
2020-11-12排烟风机调试 防ç«é˜€åŽ‚家
排ç(qian)ƒŸé£Žæ(zhi)(zhi)(zhi)œº(man)æž„é€ ç®€æ˜“ï¼Œ(ren)ŒD(luan)Šä¸çŸ(yu)¥è¿(xiu)(xiu)用è“vä¾(zhu)†å´òq(qian)‰™ž˜q™ä¹ˆ½Ž€å•ç(kuang)š„åQ(ben)Œå°¤(ai)å…(wei)¶æ˜¯æŽ’ç(qian)ƒŸé£Žæ(zhi)(zhi)(zhi)œº(man)çš„è¿(xiu)(xiu)用,(ren)éœ(an)€è¦(xia)蔾pÕd(hui)®žé™…çš„å·(chen)¥ç¨‹™å¹ç›®éœ(an)€è¦(xia)对¼›Õd(hui)¿ƒé£Žæ(zhi)(zhi)(zhi)œº(man)å¼(liao)€å±•ç(kuang)›¸å…(wei)³çš„调节åQ(ben)Œä»…(chi)æœ(lian)‰è(zuo)¦æŽ’ç(qian)ƒŸé£Žæ(zhi)(zhi)(zhi)œº(man)功能调节åˆ(rou)°åˆ’åˆ(rou)†è¦æ±‚ï(‚ï)¼Œ(ren)æ‰èƒ½å¤§ç¨‹åº¦çš„展ç(kuang)Ž°å‡(fu)ºæŽ’(ma)烟风æœ(lian)ºçš„ä½(huan)¿ç(kua)”¨ä»·å€û|¼Œ(ren)排ç(qian)ƒŸé£Žæ(zhi)(zhi)(zhi)œº(man)
-
2020-11-11280℃防ç«é˜€ 防ç«é˜€åŽ‚家
280度防ç«é˜€¾pÕdˆ—特点åQšè¾“å…¥DC24V电信å—÷€ç”µ¼‚é“动作åQŒé˜€é—¨è‡ªåŠ¨å…³é—ã€?80度防ç«é˜€æ¸©æ„Ÿå™¨åŠ¨ä½œï¼Œé˜€é—¨è‡ªåŠ¨å…³é—。手动关é—。输出关é—ä¿¡åähˆ–è”é”控制信å·ã€‚手动调节å¶ç‰‡è§’度,五档调节风é‡ã€‚工作电压:DC24V+10%,-15%。工作电‹¹?/p>
-
2020-11-02防ç«é˜€åŽšåº¦æ ‡å‡†
排烟é˜(qu)²ç«é˜(qu)€å¸¸è§åŽšåº¦æ (luo)‡å‡†(ai)åQ(ben)?ã€(mo)排烟é(yi)˜²(gui)ç(zun)«é˜€(gu)(gu)外框æ(shou)¿åŽš(ru)度ä¸èƒ½å(jie)°äº?mmã€(mo)‚ 2ã€(mo)排烟é(yi)˜²(gui)ç(zun)«é˜€(gu)(gu)ã€(mo)é(xing)˜²(gui)ç(zun)«é˜€(gu)(gu)½{(jiang)‰é˜€(gu)(gu)ä½(huan)“ã€é(xing)˜€(gu)(gu)片应(pai)é‡(yue)(yue)(yue)‡ç”¨(ke)ä¼(mei)˜è(zhan)´¨Q235é’¢æ¿åQ(ben)Œé˜€(gu)(gu)ä½(huan)“应(pai)é‡(yue)(yue)(yue)‡ç”¨(ke)â‰?.0mmé’¢æ¿åQ(ben)Œå¶ç‰‡ã€èƒŒæ(shou)¿ç‰åº”采用≧1.5mmé’¢æ¿åQ(ben)Œèáu(jiang)套应(pai)é‡(yue)(yue)(yue)‡ç”¨(ke)ä¼(mei)˜è(zhan)´¨é»„é“œæ(shou)è´¨;应严(fu)æ (luo)¼æŒ‰
-
2020-10-30常开防ç«é˜€ç”Ÿäñ”厂家
æŸäº›è€Œè¨€æŽ’烟防ç«é˜€ž®±æ˜¯æŒ‡åˆ†é…在ä¸å¤®½Iø™°ƒ½Ž¡ç†ä½“系或防排烟½Ž¡ç†ä½“系风管或排烟é“上的开与关阀。在ä¸å¤®½Iø™°ƒ½Ž¡ç†ä½“ç³»ä¸ï¼Œç”¨åœ¨é€æŽ’风系¾lŸç®¡é“ä¸åQŒå½“通风风管‘Šè¿‡ä¸ä¸€æ ·é˜²ç«å®‰å…¨åŒºæˆ–ç©¿è¡Œã€æŠµè¾‘Ö…³é”®æœºå™¨è®¾å¤‡é—´å¤„。å‘生ç«ç?/p>
-
2020-10-29防ç«é˜€ä½¿ç”¨å®‰è£…
3cé˜(qu)²ç(cha)«(zhong)é˜(qu)€ä½¿ç”¨ä¸(juan)(juan)Žå®‰è£(mao)…è(zi)¯¦æƒ?1.定义(jun)3cé˜(qu)²ç(cha)«(zhong)é˜(qu)€å®‰è£…åœ(she)¨è‡ªç„‰™€šé(zheng)£Ž½Iø™(hong)°ƒ¾p(fei)È»Ÿè½¯äšgçš„é€ã€å›žé£(liang)Žç®¡é“上(¸Š)åQ(ben)Œè¯¥¾p(fei)È»Ÿè½¯äšg通常是开攄¡š„。å‘生ç«(zhong)ç¾äº‹æ•…æ—¶(lu)åQ(ben)Œå½“½Ž¡é“内烟æ°(pin)”温åº(qian)¦è¾¾åˆ?0æ—Óž¼Œ(ren)å…³é—。在ä¸(juan)(juan)€å®šæ—¶(lu)é—´å(cun)†…åQ(ben)Œå¯(chi)è€(yao)ƒè™‘(jian)é˜(qu)²æŽ’烟和(nin)é˜(qu)²ç(cha)«(zhong)ä¸(juan)(juan)€è‡´æ€§çš„规定åQ(ben)Œåƈå¯è®¾
-
2020-10-29280度防ç«é˜€å®šåˆ¶ 排烟防ç«é˜€åŽ‚家
280度防ç«é˜€¾pÕdˆ—特点åQšè¾“å…¥DC24V电信å—÷€ç”µ¼‚é“动作åQŒé˜€é—¨è‡ªåŠ¨å…³é—ã€?80度防ç«é˜€æ¸©æ„Ÿå™¨åŠ¨ä½œï¼Œé˜€é—¨è‡ªåŠ¨å…³é—。手动关é—。输出关é—ä¿¡åähˆ–è”é”控制信å·ã€‚手动调节å¶ç‰‡è§’度,五档调节风é‡ã€‚工作电压:DC24V+10%,-15%。工作电‹¹?/p>
-
2020-10-23防爆防ç«é˜€é€‰åž‹
é˜(qu)(qu)(qu)²çˆ†(ke)é˜(qu)(qu)(qu)²ç«é˜(qu)(qu)(qu)€åŸºæœ¬ä¸(juan)Šåœ¨(œ¨)官æ(kui)–¹¾|‘站大的(qing)æ”(lu)¯ç³»ç‚¹ï¼Œçƒ(jie)進å(cha)£½{‰æ(qun)ˆ¿(ju)间内ç (lian)´ç®¡å¤„è(ju)£…¾|®åã^è¡(chen)¡é˜€(gu)åQŒå¾ˆ(miao)有å¯èƒ(jian)½å‘(fa)å±(ba)•ç®¡ç†ä(ru)½“¾p»è°ƒæ•´çš„(qing)æœø™ƒ½(shi)(shi)åQŒæˆ‘ä»(xi)¬åœ¨(œ¨)é‡(yue)‡ç”¨æ—¶è¦å(hong)‚照外观的è(ju)§„æ ÆD(jian)·Ÿ(zhui)æœø™ƒ½(shi)(shi)性能(shi)(shi)å(hong)‚æ(yong)•°½{‰åã^è¡(chen)¡é˜€(gu)的选型å›(qie)„¡(ju)‰åQŒåœ¨(œ¨)è®(cong)¾è(juan)®¡æ–ÒŽ¡ˆçš„æ(juan)ƒ…况下很有å(hong)¯èƒ½(shi)(shi)在图ä¸(juan)Šæ(jian)¾l˜å½©
-
2020-10-21防ç«é˜€ç”Ÿäñ”厂家
é˜(qu)(qu)²ç(cha)«(zhong)(zhong)é˜(qu)(qu)€ä½¿ç(kua)”¨ä¸Žå®‰è£…è(zi)¯¦æƒ?1.å®(yue)šä¹‰é˜(qu)(qu)²ç(cha)«(zhong)(zhong)é˜(qu)(qu)€å®(yue)‰è(zuo)£…在自焉™€šé£Ž½Iø™°ƒ¾pÈ(hun)»Ÿ(bai)软äšgçš„é(dan)€ã€å›žé£Žç®¡é“上åQŒè¯¥¾pÈ(hun)»Ÿ(bai)软äšg通常æ˜(tuan)¯å¼€æ”„¡š„(qing)(qing)ã€(mo)‚å(xiao)‘(fa)生ç«(zhong)(zhong)ç¾äº‹(sun)æ•…æ—¶(lu)åQŒå(han)(han)½“½Ž¡é“(wang)å†(cong)…烟(hao)气温度达åˆ?0æ—Óž¼Œå…³é—(fu)ã€(mo)‚å(xiao)œ¨ä¸€å®(yue)šæ—¶(lu)间内åQŒå(han)(han)¯è€(yao)ƒè™‘é˜(qu)(qu)²æ(cha)Ž’烟和é˜(qu)(qu)²ç(cha)«(zhong)(zhong)一致æ(cun)€§çš„(qing)(qing)规å(fan)®šåQŒå(han)(han)ƈå(hong)¯è®¾¾|(xiang)®å…·
-
2020-10-12防ç«é˜€åˆ¶ä½œéœ€è¦çš„½E‹åº
é˜(qu)(qu)²ç«é˜(qu)(qu)€çš(fei)„å(fan)ˆ¶(bu)é€ é(bo)œ€(ying)è¦å“ªäº›å·¥åº(qian)ï(xi)¼Œé˜(qu)(qu)²ç«é˜(qu)(qu)€æ ÒŽ®å…(wei)¶åŠŸ(tong)(tong)èƒ(jian)½å¯åˆ(rou)†äØ“(fu)åQ(ben)šæŽ’(ma)çƒ(jie)(jie)Ÿé˜€ã€(mo)排(ma)çƒ(jie)(jie)Ÿé˜²ç(zun)(zun)«é˜€ã€(mo)消(zhi)é˜(qu)(qu)²æŽ§åˆ(rou)‰™˜€ã€(mo)防çƒ(jie)(jie)Ÿé˜²ç(zun)(zun)«é˜€½{‰ç»“æž„ã(yi)€‚å(xiao)®ƒçš(fei)„å(fan)ŠŸ(tong)(tong)èƒ(jian)½æ˜¯å½“烟气æ(”æ)¸©åº(qian)¦è¾¾åˆ(rou)?80时基本上ç–(ding)æ•£(ying)人å(hong)‘˜åQ(ben)Œæ(shen)Ž’(ma)çƒ(jie)(jie)Ÿæ²¡æœ‰å®žé™…æ„(sheng)义。è(ta)¿™(san)æ—Óž¼Œçƒ(jie)(jie)Ÿæ°”(que)ä¸æœ‰ç(zun)(zun)«ï¼Œé˜(qu)(qu)€é—¨ä¼š(xi)自动(nian)å…(wei)³é—åQ(ben)Œä»¥é˜(qu)(qu)²æ¢ç(zun)(zun)«åŠ¿
-
2020-10-09å¼€å¯ä¿¡å¯‚¾“出功能开å¯ä¿¡å¯‚¾“出功
排烟防ç«é˜€äº§å“‹‚€‹¹‹é¡¹ç›®å…±ä¸¤é¡¹åQšå…³é—å¯é 性,10‹Æ¡å…³é—æ“作ä¸åQŒé˜²ç«é˜€åº”能从开å¯æ¬¡å…³é—æ“作ä¸ä½¾|®çµ‹zÕd¯é 地关é—åQŒå„雉™ƒ¨ä»¶åº”æ— æ˜Žæ˜‘Ö˜å½¢ã€ç£¨æŸåŠå…¶å®ƒå½±å“其密ž®æ€§èƒ½çš„æŸä¼¤ã€? 当é‡ç«ç¾æ—¶å…³é—å¯é 性,利用酒精ç¯æˆ–其它ç«æºä½‰K˜²ç«é˜€æ¸©æ„Ÿå™¨ç†”åQ›æ¸©æ„Ÿå™¨åŠ¨ä½œåŽï¼Œé˜²ç«é˜€åº”自动关é—å¯é å…³é—包括排烟防ç«é˜€è‡ªåŠ¨å…³é—和排烟防ç«é˜€è‡ªåŠ¨å…³é—åQ›å¶ç‰?/p>