... wedge bolt 楔形螺栓 wedge gate flooding valve 楔形通海阀 wedge gate flooding valve 楔形通海闸阀 ...
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... gate-valve chamber 闸阀室 wedge gate flooding valve 楔形通海闸阀 ; 楔形通海阀 gate turn valve 旋转炉门 ...
基于50个网页-相关网页
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