他离开的时候忘记关掉气焊焊炬了。

He forgot to turn off the gas torch when he left.

youdao

电焊、气焊要严格执行操作制度，明火作业应有专人看守；

Welding and geo-drilling must be strictly implemented operation system, due to special guard over homework.

youdao

电焊、气焊要严格执行操作制度，明火作业应有专人看守；

Welding and geo-drilling must be strictly implemented operation system, due to special guard over homework.

youdao