outside screw and yoke valve的意思|示意
美 / /
英 / /
外螺纹和轭形阀
outside screw and yoke valve的网络常见释义
外螺旋轭阀 ... 锥形螺旋阀簧 conical spiral valve spring 外螺旋轭阀 outside screw and yoke valve 螺旋槽阀芯 helical spool ...