The fire resistance of unprotected steel is impaired by its high thermal conductivity and by the fact that its strength decreases sizably at high temperatures.

由于未加保護(hù)的鋼材的高熱導(dǎo)率和其高溫時(shí)相當(dāng)大的強(qiáng)度衰減，它的耐火性并不理想日本XXWWXXWW视频免费。

The fire resistance of unprotected steel is impaired by its high thermal conductivity and by the fact that its strengh decreases sizably at high temperratures.

鋼材的熱傳導(dǎo)系數(shù)高黄片一级三级高清黄色视频，而且在高溫時(shí)其強(qiáng)度會(huì)大幅度下降，因而無(wú)防護(hù)曾鋼筋的抗火性能較差国产精品综合日本欧美。

There are a lot of food prices which rose sizably - look at the oil price for instance, rice, sugar, everything is rising - but balady bread has been kept at five piasters a loaf, and the flour which goes into it is delivered at a much lower price while the baker can sell it on the black market at several times the price, said Kheir el-Din.

很多食品漲幅相當(dāng)大尤物二区在线视频，比如食用油、大米一区二区黄色无码视频、糖等等国产操屄视频，這些都在漲。巴拉迪面包的價(jià)格固定在5個(gè)皮阿斯特在线观看国产理论播放网站免费视频。烘烤這些平價(jià)面包的面粉也是低價(jià)進(jìn)的超碰欧美人妻在线，但是面包房可以在黑市上以幾倍的價(jià)錢(qián)出售這些面包。