machine screw
柯林斯词典
1. N a fastening screw with a machine-cut thread throughout the length of its shank 机器螺钉; 柄上带有机械切削的线条的固定螺丝
返回 machine screw
1. N a fastening screw with a machine-cut thread throughout the length of its shank 机器螺钉; 柄上带有机械切削的线条的固定螺丝