阀门 valve lead; valve
阀门扳手 valve key
阀门操纵程序 valve management program
阀门操纵程序 valve management program
阀门尺寸 valve size
阀门的研磨 grinding-in of valve
阀门的研磨 grinding-in of valve
阀门垫圈 valve washer
阀门定位器 pneumatic servo; valve positioner
阀门定位器 pneumatic servo; valve positioner
阀门杆 valve lever
阀门定位伺服回路 valve positioning servo loop
阀门钢 valve steel
阀门杆导路 guide for the valve rod
阀门杆导路 guide for the valve rod
阀门活塞 valve piston
阀门间隙 valve clearance
阀门间隙 valve clearance
阀门键 valve key
阀门开度 valve opening
阀门开度 valve opening
阀门控制 valve control
阀门控制机构 valve control mechanism
阀门控制机构 valve control mechanism
阀门密封 valve seal
阀门磨床 valve grinding machine
阀门磨床 valve grinding machine
阀门室 valve box
阀门碰撞 knocking of the valve
阀门碰撞 knocking of the valve
阀门手轮 valve handle
阀门切换型蓄热式 heat accumulating type of shift change
阀门式给水栓 gate-type hydrant
阀门切换型蓄热式 heat accumulating type of shift change
阀门式给水栓 gate-type hydrant
阀门式消防龙头 gate-type hydrant
阀门铣床 valve milling machine
阀门铣床 valve milling machine
阀门箱 valve box
阀门型式 valve type
阀门型式 valve type
阀门座 valve seat
万伏初
周剑敏