... 闭式叶轮离心泵centrifugal pump with shrouded impeller 壁式泵wall mounted pump 变量泵variable capacity pump ...
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wall mounted pump coupling 壁式泵联轴器
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Water-cooled, air-cooled, heat pump, window conditioner, wall mounted, vertical.
水冷式，风冷式，热泵式，窗式，壁挂式，立柜式。
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