drainage trench 中文意思是什麼
drainage trench
解釋
排水暗溝-
Guide to trench excavations shoring support and drainage measures
有關壕坑挖掘工程的支撐設備及排水措施指引 -
A long narrow trench or furrow dug in the ground, as for irrigation, drainage, or a boundary line
溝渠,排水溝,水道在地面上狹長的溝渠或細溝,用於灌溉、排水或用作分界線 -
Catch well is not suitable for foundation trench drainage in this project, and should be adopted carefully in similar building sites
採用降水井方式降水效果並不很好,易形成薄弱環節,在類似的工程中慎用。
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