电烙术

例句：

1. 1. He learned the skill of electrowelding from his father.
   他从父亲那里学会了电焊技能。
2. 2. The factory uses a lot of electricity for its electrowelding operations.
   工厂用电焊操作需要消耗大量电力。
3. 3. The engineer explained how to use an electrowelding machine safely.
   工程师解释了如何安全地使用电焊机。