名词
中文翻译：主轴承座
同义词：
['main bearing', 'main bearing housing']
例句：
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1.The engineer installed the main bearing seat in the machine.
工程师在机器上安装了主轴承座。
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2.Main bearing seats are designed to withstand high temperatures and pressures.
主轴承座设计用来承受高温和高压。
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3.The new design of the main bearing seat has improved efficiency by 20%.
新型主轴承座的设计提高了效率，提高了20%。