实验中的电棒本质上是用电把火焰从燃烧器中推开，把它从燃料源中分离出来，然后火就熄灭了。
The electric wand in the experiments essentially uses electricity to push the flame away from the burner, detaching it from the fuel source, so it goes out.
易燃和可燃液体是化工企业最广泛使用的燃料源。
Flammable and combustible liquids constitute the most widespread source of fuel available in the chemical industry.
直接甲醇燃料电池装置包括供应燃料源到直接甲醇燃料电池中的燃料盒。
An arrangement for a direct methanol fuel cell includes a fuel cartridge that supplies a source of fuel to the direct methanol fuel cell.
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