The pistons are at certain intervals, and are interconnected via a coupled axle; the valve core and a valve rod are connected into an integrative body.
各活塞间相隔一定距离，并通过连轴互相连接，阀芯与阀杆连成一整体。
The pistons are at certain intervals, and are interconnected via a coupled axle; the valve core and a valve rod are connected into an integrative body.
各活塞间相隔一定距离，并通过连轴互相连接，阀芯与阀杆连成一整体。
应用推荐