... 传动弹簧盒 drive spring pocket 从动弹簧 follower spring 递动弹簧 graduating ring; graduating spring ...
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graduating valve ring 节制阀弹簧
graduating ring
毕业戒指
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The ring bore a gold crest circled with "McColl High School" and "1940" divided on each side. That was my graduating year too.
那枚戒指有一个中学学校的饰章，四周围有‘麦可尔中学’几个字，‘1940’分刻在饰章的两边(那也是我毕业的年份)。
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