... 楔式闸阀：wedge gate valve 平行式闸阀：parallel gate valve 垂直板式蝶阀：vertical disc type butterfly valve ...
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fcompensation double parallel gate valve 补偿式双闸板平板闸阀
parallel single disk gate valve 单阀碟双面平行密封闸阀 ; 单阀碟双面平行密封 ; 船用闸阀
parallel slide gate valve 平行滑动闸阀
Parallel gate valveparallel slide valve 平行式闸阀
parallel disc type gate valve 平行闸板式闸阀
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