名词
中文翻译：七轴承曲轴
同义词：
['seven-bearing shaft', 'seven-bearing crankshaft']
例句：
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1. The new car has a seven-bearing crankshaft that makes it run smoothly.
这款新车有一个七轴承曲轴，使得它运行平稳。
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2. The old car had a seven-bearing crankshaft that was prone to wear and tear.
那辆旧车有一个容易磨损的七轴承曲轴。
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3. The engineer replaced the seven-bearing crankshaft with a more durable one.
工程师用一个更耐用的七轴承曲轴替换了原来的。