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How does the car engine work?
汽车引擎如何运作？
youdao
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How does a jet engine work?
喷气发动机是如何工作的？
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How does an aircraft engine work?
飞机的引擎是怎样运作的？
youdao
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How does an internal combustion engine work?
内燃机是怎样工作的？
youdao
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How does an internal combustion engine work?
内燃机是怎样工作的？
youdao