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Terms for subject Electronics containing 启门 机 | all forms
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伞齿轮闸门启闭机bevel gear gate lifting device
移动式闸门启闭机travelling gate hoist
移动式闸门启闭机traveling gate hoist
蜗轮蜗杆式闸门启闭机screw and worm gate lifting device
闸门的卷扬启闭机hoist gate lifting device