A method of high precision round subsection by varied lead-interval worm and worm wheel was introduced, its drive theory, clearance adjusted framework and machining method were analyzed.
介绍了一种采用变导程蜗轮蜗杆的高精度分度方法,分析变导程蜗轮蜗杆传动原理、变导程蜗轮蜗杆调隙结构和变导程蜗轮蜗杆加工和调整方法。
The oncological clearance, the complication rate, the disease free interval and survival were comparable in the two groups.
两组的肿 瘤清除情况、并发症发生率、无瘤间期和生存率无明显差别。
应用推荐