welding slag

例句：

1. 1.The welding process produces a lot of welding slag.
   焊接过程会产生大量的焊接渣滓。
2. 2.We need to dispose of the welding slag properly to avoid environmental pollution.
   我们需要妥善处理焊接渣滓，以避免环境污染。
3. 3. During the welding operation, it's important to control the amount of welding slag to prevent fire hazards.
   在焊接操作过程中，控制焊接渣滓的量以防止火灾危险是很重要的。