rising stem wedge gate valve的意思|示意

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升杆楔形闸阀


rising stem wedge gate valve的网络常见释义

暗杆楔式闸阀 ... non-rising stem valve 不升杆式阀 non-rising stem wedge gate valve 暗杆楔式闸阀 non-rising stem wedge sluice valve 暗杆楔式闸阀 ...

rising stem wedge gate valve相关短语

1、 non-rising stem wedge gate valve 暗杆楔式闸阀