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.

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.

本实用新型是涉及气焊气割及类似用途的一种汽化装置。

The utility model relates to a vaporizing device which relates to gas welding, gas cutting and other analogous usages.

焊接涂铝钢首选的方法是电阻焊接，因为高温气焊和电弧焊毁坏涂层。

Somewhat higher spot-welding currents are needed than are used for unclad steel because of the low electrical resistance of the aluminum cladding.

在使用直流电的地方即产生人为的静电磁场，例如在电车或诸如铝生产和气焊等工业操作程序中。

Man-made static magnetic fields are generated wherever DC currents are used, such as in electric trains or industrial processes such as aluminium production and in gas welding.