英语词典
The traditional test method of digging cavity to determine the apparent density of the dam body of grouted rubble gravity dams is a difficult operation way and it has some error.
按传统挖坑试验方法确定大坝砌体容重往往操作困难且有一定误差。
互联网摘选
paste thick liquid technology guards against in the rubble stone impractical stratum coffer dam infiltrates the application
膏浆技术在块石架空地层围堰防渗中的应用
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