screw-down stop valve的意思|示意

美 / / 英 / /

螺杆向下制动阀

螺杆向下止动阀 ... screw-conveyor feeder 螺旋运送加料器 screw-down stop valve 螺杆向下止动阀 screw-feed diamond drill 螺旋给料式金刚石钻机 ...

螺旋阀 ... Screw-die螺丝模 Screw-down stop valve螺旋阀 Screw-thread螺丝 ...