water levels是什么意思 water levels怎么读
water levels的英文翻译是什么意思,词典释义与在线翻译
名词 water level:- the level of the surface of a body of water
- underground surface below which the ground is wholly saturated with water
- a line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a ship
- a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube
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