... spring guide 释义：弹簧导子 rotating spring 释义：扭正弹簧 closed spring 释义：闭合型弹簧 ...
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self-rotating spring 自旋弹簧
spring rotating mechanical seal 弹簧旋转式机械密封
rotating bezel spring 转动玻璃框簧
rotating auxiliary spring 扭转辅簧
spring loaded sprocket rotating hand 装有弹簧的链轮转柄
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