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Terms for subject Technology containing 机械闸 | all forms
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三角闸门液压启闭机械hydraulic machinery of wedge roller gate
机械化船闸mechanical lock
机械单级船闸mechanical lift lock
水闸操作机械sluice control mechanism
水闸操作机械gate operating gear
水闸操纵机械sluice control mechanism
水闸操纵机械gate operating gear
闸门操作机械gate operating machinery