排水

• Drainage water analyses may not indicate the composition of soil solutions accurately .
  排水分析不能正确地反映土壤溶液的组成。
• Soils with earthworms drain from four to ten times faster than soils without earthworms .
  有蚯蚓的比没有蚯蚓的土壤排水快4-10倍。
• He listened with sympathy to his senior's prospects of planting and draining .
  他的前辈谈起怎么种树，怎么排水，他在旁边洗耳恭听。
• The first shells landed in the sea, throwing up remote playful spurts of water .
  头一批炮弹落进海里，不痛不痒地远远掀起了一排水柱。
• The artificial improvement of drainage could soon lead to a marked loss in nutrients .
  采用人工排水措施可以迅速导致养分含量显著降低。
• Ground water is lowered by the drainage which can be caused by any deep excavation .
  任何一种深的挖方都能造成排水现象从而使地下水位降低。
• It may also provide drainage and give added protection against frost action when necessary .
  它具有排水作用，但在需要时也增加保护抗冻作用。
• A land drain is usually a pipe buried in farm land but it may also be an open channel .
  农田的排水系统通常是埋在农田中的管子，但也可以是明渠。
• But even the mosquito has been subdued by attention to drainage and by chemical sprays .
  但甚至蚊子也由于我们注意排水和化学喷雾而已被抑制住了。
• There is only, at best, random monitoring of wastewater effluent by the pollution control agency .
  污染控制机关充其量只是偶尔检查工厂的排水情况。