working barrel
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检查(泥浆)泵缸套和活塞。
Check the pump liners and pistons.
youdao
泥浆泵缸套这张照片拍得好。
The photo of the mud pump 1iner has taken we11.
一对相互啮合的齿轮和泵缸把吸入腔和排出腔隔开。
A pair meshes mutually the gear and the fluid cylinder and discharge the suction chamber the cavity to separate.
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