Parallel expending gate valve 以及 expending gate&segment
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Parallel expending gate valve 以及 expending gate&segment
expending应该是expanding吧?
没有听说过 Parallel expanding gate valve这个阀门,只知道有 Parallel gate valve(平行闸阀)和expanding gate valve(膨胀阀).请向给你资料的人确认.
按阀门结构推测.expanding gate应该指的是膨胀阀的闸板,segment应该是与其相配的隔板.
没有听说过 Parallel expanding gate valve这个阀门,只知道有 Parallel gate valve(平行闸阀)和expanding gate valve(膨胀阀).请向给你资料的人确认.
按阀门结构推测.expanding gate应该指的是膨胀阀的闸板,segment应该是与其相配的隔板.
Parallel expending gate valve 以及 expending gate&segment
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