The needle roller bearings without flanges are separable, i. E. The outer ring, the needle roller and cage assembly and the inner ring can all be mounted separately.是什么意思_The needle roller bearings without flanges are separable, i. E. The outer ring, the needle roller and cage assembly and the inner ring can all be mounted separately.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句