同义词
1)O.S.Y .value;outside screw and yoke valve,外螺轭阀2)O.S.Y .value = outside screw and yoke valve,外螺轭阀3)outer-spiral-fin tube,外螺纹管4)outside screw thread,外螺纹5)outside screw and yoke,外螺轭式6)outer screws,外螺旋桨7)inadvertent spin,意外螺旋8)external thread,外螺纹9)male screw,外螺纹10)outside screw,外螺纹
