由世纪两端轴承上的平衡轴有可能产生的钻石。

By the ends of century the upper bearing of the balance shaft were likely to have the diamonds.

youdao

由世纪两端轴承上的平衡轴有可能产生的钻石。

By the ends of century the upper bearing of the balance shaft were likely to have the diamonds.

youdao