1、Start oil piping steam heat tracing.
開啟燃油管路的蒸汽伴熱。

2、Shut off the oil piping steam heat tracing.
切斷燃油管路的蒸汽伴熱。

3、Keep your eye on this frontier, steam heat from the earth may one day help keep you warm.
要密切注視這一新的領(lǐng)域，有朝一日地球的蒸氣熱可以供你們?nèi)∨?/p>