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汉语拼音：pái shuǐ

1.排除地[表]面过剩的水到指定的方向或小河或到一个出口。

2.由积水的汽缸、空气罐或漏水的浮体排空积水。

排水 [pái shuǐ]

1. 于一系统体系内，处理或排除多余水量之作法称为排水。

• There is a manual pump to get rid of the water.

  有一只手摇水泵用来排水。

• The soil drains freely and slugs aren't a problem.

  土壤排水畅通，鼻涕虫就不会造成什么麻烦。

• The steep, stony ground is well drained.

  陡峭的石头地面排水性能很好。

• The defect in the drainage must be remedied.

  这排水系统的缺陷该设法补救.

• Bad drainage caused the land to be flooded.

  排水不利容易使土地淹水.

• Dig trenches to drain away the water.

  挖沟以排水.

• It is advisable to mix coarse grit into heavy soil to improve drainage.

  建议将粗砂掺到黏重的土壤里，以提高排水性能。

• It is wise to start infilling with a layer of gravel for drainage.

  先铺上一层利于排水的砾石是个明智的做法。

• The drainage of the city is not good, some of the pipes are broken.

  这个城市的排水系统不好, 有些排水管都破裂了.

• People have been mobilised to build defences and drain flooded land as heavy rains continue to fall.

  大雨还在继续下，人们已经被动员起来修筑防洪工事，为遭淹田地排水。

• It is supposed to be washed down the gutter and into the city's vast sewerage system.

  它应该是被沿排水沟冲入城市庞大的排水系统。

• Line the pots with pebbles to ensure good drainage.

  在罐子里铺一层鹅卵石，以确保排水良好。

• The drainage system has collapsed because of too much rain.

  由于降雨过多，排水系统已经彻底瘫痪了。

• After twenty - four hours free drainage, there was little difference in moisture content.

  24小时不排水, 湿度则几乎没什么不同.

• A layer of coarse gravel is often placed around the drain tile.

  常常在排水瓦管周围铺一层粗石砾.