美是一种态度，与年龄无关。Beauty is an attitude. It has nothing to do with age.当你从内心深处找到一种可以忍受一切痛苦的坚强力量时，你的成长历程就会出现飞跃。The turning point in the process of growing up is when you discover the core of strength within you that survives a...
磁系可为径向交替式或轴向交替式.The magnetic system can be in radial alternation type or axial alternation type.特殊的径向游隙或轴向游隙要求,可按订货规定生产.Special radial play or shaft face clearance requirement could be made as specified in orders.大多数轴承都支...