emptying something accomplished by allowing liquid to run out of it
组词搭配
动词+～
improve the drainage改善排水系统
～+介词
the drainage of wealth财富的外流
例句
用作名词(n.)
Bad drainage caused the land to be flooded.排水不利容易使土地淹水。
Make holes through the base to allow for drainage.在地基中开洞，以便排水。
The drainage system has been aged.排水系统已经老化了。
The town's drainage is very efficient.这城市的排水系统很好。
He came to look at the drainage.他是来检查排水设备的。
The city was even equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.这座城市甚至还铺设过排水系统,因为在窄窄的街道底下发现了许多陶土制的管道。
Never pipe the discharge line directly into a drainage ditch, sewer or sump.不要把排泄管直接插入排泄地漏、污水管或污水坑里。
