discharge of water

• 排水量

discharge of water的用法和样例：

例句

1. A ship displaces a certain amount of water.
   船都有一定的排水量。
2. They are digging trenches to drain the water away.
   他们正在掘沟排水。
3. Build a model of a house water and drain system.
   造一个房屋给排水系统的模型。