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.
介绍了自行车单级飞轮飞壳冷滚轧成形工艺过程以及轧辊的结构、夹具形式和轧机参数。 返回 bicycle freewheel