The study on the control of slump of commercial concrete 商品混凝土塌落度控制的研究
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Props were used to prevent the roof collapsing 用了一些支柱以防止屋顶塌落
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And the tent has caved in due to the storm 帐篷由於下雨已经开始塌落
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Standard test method for slump of sealants 密封料塌落的标准试验方法
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Method of test for slump of concrete 混凝土塌落度的试验方法
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In tsuen wan , an industrial chimney collapsed onto tsuen wan road 在荃湾，一烟囱被吹断，塌落荃湾路上。
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If explosives are used , vibrations will cause the roof of the mine to collapse 如果用炸药爆破，震动会引起矿顶塌落。
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L & t is required to control the quality of supplied concrete to ensure the qualified slump and workability of concrete during casting 要求l & t注意控制混凝土的质量，保证供到施工现场的混凝土塌落度及和易性。
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Firemen try to extinguish the fire on the sungnyemun gate in seoul , south korea , the gate , which has a 610 - year history , collapsed after the damage 韩国首尔的消防员正在试图扑灭崇礼门上的大火。这座有着610年历史的大门在火灾过后塌落。
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3 prolong the mixing time for 3060 seconds . 4 the concrete mixed with this agent must be strengthened maintenance and the time of wet maintenance should be no less than 14 days 用水量不变，可增加塌落度以上，减少泌水离析，显著改善施工性能，便于插捣密实。
