for drainage中文什么意思

用于排放

• drainage:    n. 1.排水，放水；排水法；逐渐流 ...
• inland drainage(interior drainage):    内陆水系
• interior drainage(inland drainage):    内陆水系

例句与用法

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1. It is important for drainage work since checks can be made on its effectiveness before planting .
   排水工作很重要，因为在栽植前就可对其效果加以控制。
2. Tapered drilling method for drainage holes in crooscut
   石门排放钻孔锥体施工方法
3. Land resumption for drainage works in shui lau hang
   水流坑收地进行排水改善工程
4. Land resumption for drainage improvement works
   政府收地进行排水系统改善工程
5. Catheters for drainage use in the stomach and esophagus
   胃和食管用引流导管