| 单词 | revolving part |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔headstock〕A nonmoving part of a machine or power tool that supports a revolving part, such as the spindle of a lathe.头座：机器或动力工具上用于安装旋转部件的不能移动的部分，如车床的转轴美国传统〔spindle〕Any of various mechanical parts that revolve or serve as axes for larger revolving parts, as in a lock, an axle, a phonograph turntable, or a lathe.心轴：任何旋转的机械部件或作为更大的旋转部件轴的机械部件，如锁、车轴、留声机转盘或机床中的相应部分美国传统 |
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