Type GC-D is a roller type freewheel non-bearing supported, Earrings are required to support axial and radial loads.是什么意思_Type GC-D is a roller type freewheel non-bearing supported, Earrings are required to support axial and radial loads.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句