machine screw
柯林斯词典
1. N a fastening screw with a machine-cut thread throughout the length of its shank 機器螺釘; 柄上帶有機械切削的線條的固定螺絲
返回 machine screw
1. N a fastening screw with a machine-cut thread throughout the length of its shank 機器螺釘; 柄上帶有機械切削的線條的固定螺絲