pinion quill shaft小: small; little; petty; minor齿轮: cogwheel; gear wheel wheel-l ...套筒: jacket; sleeve; bushing; sle ...轴: axle; shaft中间齿轮套筒: intermediate gear sleeve下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:小齿轮套筒轴,即可在微信中查询翻译