基本解释[机械工程]轴瓦（柳叶）刮刀[经济学]轴承刮刀词组短语短语bearing g scraper 轴承刮刀journal bearing scraper 轴颈轴承刮刀scraper bearing 刮刀轴承scraper wheel bearing adjustment 铲运机车轮轴承调整scraper wheel bearing 铲运机车轮轴承专业释义机械工程轴瓦（柳叶）刮刀经济学轴承刮刀