back-pressure valve
短语词组
- angle back -pressure valve 背壓角閥;違壓角閥;負壓角閥
- dry back -pressure valve 乾式佈袋濾塵器
- hydraulic back -pressure valve 液壓止廻閥;水壓逆止閥
- e back -pressure valve 背壓角閥
- hydraulic c back -pressure valve 液壓止廻閥
- angle e back -pressure valve 背壓角閥
- hydraulic -controlled back pressure butterfly-shaped valve 液控單曏蝶閥
- slow -closing back pressure valve 緩閉止廻閥 返回 back-pressure valve