straight-line knurling的意思|示意
美 / /
英 / /
直线滚花
straight-line knurling的网络常见释义
直线滚花 ... 直线光栅 linear grating; 直线滚花 straight-line knurling; straight-line knurls; 直线滚花头螺钉 screw with straight-line; ...