valve flap
短语词组
- valve e flap 阀瓣
- Valve Flap for Control Valve 控制阀用主阀瓣
- flap valve [机]瓣阀;拍门;蝶阀;铰链阀
- flap valve grid 进气活门栅
- non return flap valve 止回瓣阀
- mica flap valve [建]云母片截门
- flap valve assembly 活门栅
- pneumatic film flap valve 气动薄膜瓣阀;气动薄膜蝶阀
- gastroesophageal flap valve 胃食管阀瓣;证实胃食管阀瓣 返回 valve flap