Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/b91761310d49eb04d3379d4469e3f7d0.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 thread rolling英英字典_thread rolling剑桥英语解释_thread rolling柯林斯英文解释_零六五六深蓝词典
1. N the production of a screw thread by a rolling swaging process using hardened profiled rollers. Rolled threads are stronger than threads machined by a cutting tool 滚丝[engineering]