seal valve
短语词组
- way sealing butterfly valve 雙曏密封蝶閥
- Sealing water valve 密封水閥
- sealing gate valve 密封牐閥
- soft sealing gate valve 軟密封牐閥
- Electronic sealing butterfly valve 電子式電動軟密封蝶閥
- metal hard sealing ball valve 金屬硬密封球閥
- Electric metal sealing butterfly valve 電動金屬密封蝶閥
- electrical metal sealing butterfly valve 電動金屬密封蝶閥
- four eccentric sealing butterfly valve 四維偏心碟閥
- Self -sealing plug valve 自閉式鏇塞閥 返回 seal valve