One-way, two-way pressure ball bearing cage generally use steel stamping molding, large size or special use of the bearings are made of brass or mild steel turning cage.
单向、双向压力球轴承保持架一般采用钢板冲压成型，大尺寸或特殊用处的轴承则采用黄铜或软钢车削保持器。
I rubbed my finger along the ridges of brass, now turning golden.
我用手指沿黄铜的棱线摩挲，如今这些棱线都快变成金黄色了。
I rubbed my finger along the ridges of brass, now turning golden.
我用手指沿黄铜的棱线摩挲，如今这些棱线都快变成金黄色了。
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