... inside screw stop valve 内螺纹截止阀 screw gate valve 螺旋闸阀 external screw stop valve 外螺纹截止阀 ...
基于8个网页-相关网页
... 电站闸阀(Power Station Valve) 液动闸阀(Hydraulic valve) 螺旋闸阀(Spiral valve) ...
基于8个网页-相关网页
... 星型卸料器star discharger 螺旋闸阀spiral gate valve 插板阀plug valve ...
基于6个网页-相关网页
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