Bearing with two single row inner rings and one double row inner ring with tapered bore (taper 1:12 or 1:30) with roller and cage assemblies.是什么意思_Bearing with two single row inner rings and one double row inner ring with tapered bore (taper 1:12 or 1:30) with roller and cage assemblies.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句