The utility model can directly produce the full U-shaped concrete member. The construction is convenient, and the anti-seepage performance is good.
本实用新型能直接生产出全U型的混凝土构件，施工方便，防渗性能好。
The anti-seepage steel plate roofing system enjoys advantages of light dead weight, good anti-seepage performance and good adaptability in the range of temperature.
钢板防水屋面，具有自重轻、渗漏性能好和温差适应性强等特点。
It is difficult to accurately measure the mechanical performance of weak seepage structure using mechanical method.
弱渗流结构的力学性质很难用力学方法进行精确测量。
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