分析现浇板因砼收缩和温差影响的组合作用裂缝的产生机理。

This paper analyzes mechanism of crack development in cast-in-place concrete under combined action of concrete contraction and temperature difference.

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而在马萨诸塞州，一位老妇人因楼上的有毒气体从她家天花板上泄露下来而生病。

And in Massachusetts, an elderly woman was sickened when the toxic fumes leaked through her ceiling from an upstairs apartment.

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但是考虑到巧克力里的咖啡因含量，吃完一块巧克力后的整个晚上你都躺在床上盯着天花板的可能性其实不大。

But based on the amount of caffeine in chocolate, laying awake, staring at the ceiling until all hours of the night after eating a candy bar is unlikely.

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He comes down from the mountain, he approaches the camp, he's stunned by what he sees. He's carrying the tablets, the instructions, and then he smashes them at the foot of the mountain in fury.

从山上走下来，接近营地，因眼前看到的景象，感到震惊，他拿着法板，然后他狂怒的把法板砸在了山脚下。

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