The NN30 series bearings are widely used for precision machine tools.UBC AXRY series slewing ring bearings can effectively simplify the complex requirements and structure of machine tools.是什么意思_The NN30 series bearings are widely used for precision machine tools.UBC AXRY series slewing ring bearings can effectively simplify the complex requirements and structure of machine tools.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句