名词
中文翻译：主轴套筒
同义词：
['主轴套筒，主轴套管例句：1. The engine needs to be thoroughly checked before the mainshaft sleeve is replaced.（在更换主轴套筒之前，发动机需要彻底检查。）']
例句：
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1. The engine needs to be thoroughly checked before the mainshaft sleeve is replaced.
在更换主轴套筒之前，发动机需要彻底检查。
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2.The engineer carefully removed the mainshaft sleeve and inspected the bearings for any signs of wear.
工程师仔细地拆下了主轴套筒，检查了轴承是否有磨损的迹象。
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3.Mainshaft sleeves are used to protect the engine from damage during heavy-duty operations.
主轴套筒用于在重型操作中保护发动机免受损坏。