seal valve
短语词组
- way sealing butterfly valve 双向密封蝶阀
- Sealing water valve 密封水阀
- sealing gate valve 密封闸阀
- soft sealing gate valve 软密封闸阀
- Electronic sealing butterfly valve 电子式电动软密封蝶阀
- metal hard sealing ball valve 金属硬密封球阀
- Electric metal sealing butterfly valve 电动金属密封蝶阀
- electrical metal sealing butterfly valve 电动金属密封蝶阀
- four eccentric sealing butterfly valve 四维偏心碟阀
- Self -sealing plug valve 自闭式旋塞阀 返回 seal valve