waterwheel aerator水车式增氧机
waterwheel watercart水车
animaldriven waterwheel卫转筒车
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waterwheel type水车式
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The Waterwheel下载水车
N-COUNT(可数名词) A waterwheel is a large wheel that is turned by water flowing through it. Waterwheels are used to provide power to drive machinery. 吊水机