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)率和其高溫時相當(dāng)大的強度衰減男女性激烈无遮掩免费观看，它的耐火性并不理想九九色无码精品网。

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，而且在高溫時其強度會大幅度下降一区二区无码电影天堂在线观看，因而無防護(hù)曾鋼筋的抗火性能較差涩涩视频在线观看十八岁以下勿进。

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，比如食用油sao货水喷出来了视频、大米欧美VA日本一区、糖等等，這些都在漲一级毛片一级毛。巴拉迪面包的價格固定在5個皮阿斯特久久精品国产精国。烘烤這些平價面包的面粉也是低價進(jìn)的，但是面包房可以在黑市上以幾倍的價錢出售這些面包欧美黑人又粗又长精品。