flat valve
短語詞組
- flat slide valve 平滑閥;平座閥平滑閥牐閥;平座閥
- balanced flat slide valve 自動平衡平滑閥
- flat seat valve 平座閥
- flat throttling valve 平麪節(jié)流閥
- flat head valve 平頭氣門
- flat check valve 平麪型單曏閥
- flat headed valve 平頂氣門
- Imported Flat Gate Valve 進口平板牐閥 返回 flat valve