thread milling

例句：

1. 1. The artisan skillfully threaded the needle with silk.
   这位工匠熟练地用丝绸穿针引线。
2. 2.The machine is designed to thread a variety of materials through its spindle.
   这台机器设计用来将各种材料通过其主轴穿过。
3. 3.The process of threading a new wire into a socket requires precision and care.
   将新的电线插入插座的过程需要精确和小心。