名词中文翻译
中文翻译：主轴承
同义词：
['main bearing', 'main shaft gear', 'main screw gear例句：1. The new engine has a lead-screw gear that makes it run smoothly.（新引擎有一个主螺旋齿轮，使其运行平稳。）']
例句：
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1. The new engine has a lead-screw gear that makes it run smoothly.
新引擎有一个主螺旋齿轮，使其运行平稳。
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2.The old machine had a worn-out lead-screw gear, which was causing problems.
旧机器的主轴齿轮磨损严重，导致问题。
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3. The engineer replaced the lead-screw gear with a new one to improve efficiency.
工程师用一个新的主轴齿轮替换了原来的，以提高效率。