Taper support Rib: Rib conical taper at the circumferential rib support, in between the cam groove, Roller Cam with the circumference of linear contact.是什么意思_Taper support Rib: Rib conical taper at the circumferential rib support, in between the cam groove, Roller Cam with the circumference of linear contact.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句