滚针

滚针 [gǔn zhēn]

1. ■ kingpin; quill roller （轴承的）; roller pin

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常用词组

1. ■ 滚针导轨 roller guide;

2. ■ 滚针关节轴承 needle knuckle bearing;

3. ■ 滚针套 needle bush;

4. ■ 滚针轴承 multi-roll bearing; needle bearing; needle (type) roller bearing; quill bearing