下摆线 meaning in English
hem line
Examples
- The different calculative formulas for meshing efficiency of drive in different condition are deduced . the deep analyses of pressure angle in cycloid steel ball planetary transmission are presented
从理论上研究分析了摆线钢球行星传动的啮合效率，推导了不同情况下摆线钢球行星传动啮合效率的计算公式。