标准封头介绍封头的英文

bottom (head) 底封头 bumped head 冲压封头 cast iron circular dished heads 铸铁圆形碟形封头 circular head 圆形封头 conical head 锥形封头; 锥形头 conical head (without straight flange) 无折边锥形封头 conical head with straight flange 带折边锥形封头 conical head without transition knuckle 无折边锥形封头 convex head 凸形封头 cover flange 封头法兰 cover head 顶封头 dished (torispherical) head 碟形封头 disked closure (end; bottom) 碟形封头 dome head 球面底; 球形封头