在哪能买到丁烷气？
For example, can be butane or isobutane.
例如可以是丁烷或异丁烷。
An example of a normal paraffin is normal butane.
正丁烷是正链烷烃的一个例子。
Buying a new butane soldering torch was a challenge.
购买一台新丁烷焊炬是一个挑战。
It never occurred to me but butane is an ingredient found in some lighter fluids.
我从没想起来丁烷是一些打火机油的成份之一。
It never occurred to me but butane is an ingredient found in some lighter fluids.
我从没想起来丁烷是一些打火机油的成份之一。
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