angle check valve[机] 直角止回阀;直角型单向阀;翻译
Vacuum Angle Bellows Valve真空阀门
angle globe valve折角球形阀;角形球阀;角式截止阀;翻译
angle water valve折角水阀;合角水阀
angle of valve seat阀座角
Angle place valve角座阀
angle body valve角阀体;阀体角度
Pneumatic Angle Seat Valve气动角座阀
angle control valve角形控制阀