bearing bar for centerle circular grindingbearing bar for centerless circular grinding无心: not be in the mood for圆: round; circular; spherical磨: mill; millstones轴承: bearing; axle bearing; beari ...杆: shaft; rod; bar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:无心圆磨轴承杆,即可在微信中查询翻译