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闸操作销
meaning in English
brake operating pin
brake-operating pin
Related Words
环闸
气动闸
自动闸
鱼闸
闸池
低速闸
虹吸闸
闸址
南闸
闸板门
闸补整杆支架螺栓
闸操作杆
闸策
闸侧板
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