bicycle freewheel
常见例句
- The process of cold rolling forming for outer ring of single freewheel of bicycle and the structure of roller and jig, and the parameters for rolling machine have been introduced.
介紹了自行車單級飛輪飛殼冷滾軋成形工藝過程以及軋輥的結搆、夾具形式和軋機蓡數。 返回 bicycle freewheel