[网络] 平坦度 flatnose bit: 平端面金刚石钻头 flatness-of-field: 物件 平状度 flatnosed nozzle: n.平头注嘴 flatness tolerance: 真平度公差 flatnosed screw: n.平头螺杆 下载手机词典可随时随地查词查翻译