pin valve
短语词组
- PIN FOR VALVE 阀门用插头
- metering pin carburetor valve 计量阀
- pin puller control valve 销拆卸器控制阀
- PIN FOR DELIVERY VALVE 输送阀用销
- Cotter pin valve 开口销
- pin valve opening 针阀开度
- pin type reversing valve 销式换向阀
- metering pin valve 调节针阀
- pin valve rising distance 针阀升程 返回 pin valve