你在这篇文章中提到蒸汽发动机——蒸汽发动机和其他的外燃机有什么优势？
You mentioned steam engines in this article — are there any advantages to steam engines and other external combustion engines?
相比之下，内燃机比外燃机的效率高，比燃气轮机的价格便宜，比电动汽车容易添加燃料。
By contrast, the internal combustion engine is higher than the outboard engines in efficiency, cheaper than the price of gas turbines, easier than electric vehicles to add fuel.
相比之下，内燃机比外燃机的效率高，比燃气轮机的价格便宜，比电动汽车容易添加燃料。
By contrast, the internal combustion engine is higher than the outboard engines in efficiency, cheaper than the price of gas turbines, easier than electric vehicles to add fuel.
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