The paper introduces the application of infrared spectroscopy in the process of testing fire-retardant materials.

介紹了紅外光譜法在表征阻燃材料與防火涂料結(jié)構(gòu)及研究其阻燃性能方面的應(yīng)用99re热免费视频，討論了紅外光譜分析技術(shù)在材料阻燃分析中的應(yīng)用前景日本超级黄色视频网址。

Li replied that the fire-retardant properties varied based on the quality of wood with different fireproof time.

報(bào)告人表示依據(jù)木料材質(zhì)的不同99riav在线，可防火時(shí)間效果亦不同中文字幕日韩专区最新。

Is the first fire-retardant wood materials and products to research results into founder of industrial production.

北京盛大華源科技有限公司致力于研究生產(chǎn)具有國際領(lǐng)先水平的阻燃防火產(chǎn)品免费看三级网站，旨在提升名族品牌在國際的競爭力国产午夜无码福利在线看网站，公司首席專家羅文圣是國內(nèi)最早將阻燃木質(zhì)材料與制品研究成果轉(zhuǎn)化為工業(yè)生產(chǎn)的奠基者。

This can be achieved by means of firebricks.

防火的能防止著火的免费看黄的视频；耐火的

Construction shed and related heating, lighting, fire protection device and equipment have been installed and firebricks and mortar have been transported into the construction site.

筑爐大棚及相應(yīng)的取暖亚洲人v永久无码天堂网、照明、防火裝置和設(shè)備均已安裝完畢免费成年人网址，運(yùn)送耐火磚及灰漿到現(xiàn)場午夜黄色精品视频在线播放。

Fire hydrant, plug firepot

a国产尤物电影在线观看网站免费。 耐火的，防火的

But persevere, and cut a hole for the fire door at one end of the bottom barrel and matching holes in both barrels for the flues that connect them.

但堅(jiān)持a毛av免费，并削減了一個(gè)洞www.在线黄片.com，為防火門，在一月底的底部桶和配套洞在這兩個(gè)桶人人草人人爱人人色，為火道連接人人摸人人干人人噪。

Basically, you want to mount the bottom barrel on its legs (and we recommend connecting these to a couple of two-by-fours for a sturdier base), and then mount the fire door to it, followed by the connecting supports and the two flues (remember to insert the dampers before you bolt on the top barrel).

基本上，你想掛載的底部桶200av天堂，其腿（我們建議連接這些一對夫婦的兩個(gè)由4一個(gè)堅(jiān)強(qiáng)的基地）免费福利欧美性爱，然后裝入防火門給它，其次是連接支持和2火道（請記住插入阻尼器之前成人日韩欧美在线电影，您對螺栓頂端桶）国内乱能揄拍国内精品人妻。

10 Examination of fire-protection apparatus are (according to "safe drawing")checked the quality, amount, arrangement and lay position of portable type foam fire extinguisher, CO2 fire extinguisher, every kind of fire extinguisher, fire hose boxes, fire axe, all kinds of fire fighting facilities and spare aeration equipment supply for firemen's breathing apparatus, and examine whether is easy to get and facility to use.

防火設(shè)備的檢驗(yàn)檢驗(yàn)手提式泡沫滅火器、CO2滅火器日本乱子伦视频、各類滅火器黄色无码视频在线免费观看、消防水龍帶箱、消防斧国产yyzz、各種救火設(shè)施和消防員呼吸器的備用充氣設(shè)備的質(zhì)量啪啪一级视频、數(shù)量、布置及其安放位置特黄a大片免费视频，以上設(shè)備是否能容易取得和方便使用日韩欧美人妻综合在线。

The paper presents the principle of dividing fire protection sections in fortes road tunnels, the principle of fire ventilation design of fortes road tunnels in segment longitudinal ventilation mode, the fire ventilation design method, the fire ventilation calculation criteria and jet fans' collocation principle of fortes road tunnels in segment longitudinal ventilation mode.

論文提出了特長公路隧道防火分區(qū)劃分原則，特長公路隧道分段縱向通風(fēng)模式下的火災(zāi)通風(fēng)設(shè)計(jì)原則国产zaixian自拍，特長公路隧道分段通風(fēng)模式下的火災(zāi)通風(fēng)設(shè)計(jì)方法国产超碰人人做人人爱，特長公路隧道分段通風(fēng)模式下的火災(zāi)通風(fēng)計(jì)算控制基準(zhǔn)，特長公路隧道射流風(fēng)機(jī)布置原則国产91Av九色。