本文分析指出，地面沉降现象可用地下抽水作用引起土层内应力重分布和由此导致的变形作合理的解释。
Analysis shows that the phenomena of land subsidence can be well interpreted by stress redistribution and its consequent deformation occurred in the soil layer as a result of subterranean pumping.
我国目前大量的泵站在国民经济中承担着农业抽水灌溉、城市供水排水等任务，发挥着巨大的作用。
A large number of pump stations undertake the tasks of agriculture pumping irrigation, urban water supply and drainage and play the important role in the national economy of China.
风车最主要的用途是磨粉，在某些地区用于灌溉土地和抽水，其作用也同样重要。
Their most important traditional use was for grinding grain, though in certain areas their use in land drainage and water pumping was equally important.
在高水头电站、抽水蓄能电站设计中，需要查明岩体在实际水头作用下的透水率、渗透特性。
In design of pumped storage station or high water head hydro-power station, it is important to evaluate the rock infiltration properties under practical water pressure.
检测分析表明该清洗剂是较为理想的抽水马桶、抽水便池用卫生用品，具有清洗、杀菌和除臭作用。
The test showed that the product was very effective for cleaning, sterilizing and deodorizing toilet bowls automaticlly.
检测分析表明该清洗剂是较为理想的抽水马桶、抽水便池用卫生用品，具有清洗、杀菌和除臭作用。
The test showed that the product was very effective for cleaning, sterilizing and deodorizing toilet bowls automaticlly.
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