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闸墙凹槽
meaning in Chinese
wall recess
Related Words
闸柄闸
轨闸
环闸
石板闸
闸坑
气动闸
自动闸
鱼闸
外闸
坞闸
闸汽缸托架
闸墙
闸墙凹槽内的系船柱
闸墙输水廊道
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