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。
In the well-differentiated astrocytoma showed structure of ring upon ring, the inner ring was the basement membrane of blood vessel, while the outer ring was the glial membrane.
分化较好的星形细胞瘤中可以见到内环是血管基膜、外环是胶质膜的双环结构。
First, the technical structure of principle: Low profile host the first high-end drum patterns, outer ring gear driven rotating cylinder.
技术结构原理： 主机外形头高尾低式滚筒形态，齿轮带动筒体外齿圈转动。
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