double-wall sheet pile cofferdam的意思|示意
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双层板桩围堰
double-wall sheet pile cofferdam的网络常见释义
双壁板桩圈堰 ... Steel Sheet Pile Earth Cofferdam 钢板桩填土围堰 Steel Sheet Pile Cellular Cofferdam 钢板桩格型围堰 double-wall sheet pile cofferdam 双壁板桩圈堰 ...