| 1. | The impellers are kept in their proper relationship to each other by spur gear . 液轮之间借助于正齿轮保持彼此正常的关系。 |
| 2. | Spur gear drives for fine mechanics ; tables 精密机械用正齿轮传动装置.第4部分:表格 |
| 3. | Design guide for vehicle spur and helical gears 车辆正齿轮和斜齿轮的设计指南 |
| 4. | Spur gear drives for fine mechanics ; calculating sheet 精密加工用正齿轮传动装置.计算表 |
| 5. | Tolerances for single - start hobs for involute spur gears 渐开线正齿轮用单头滚铣刀的公差 |
| 6. | Tooth proportions for fine - pitch spur and helical gearing 细距正齿轮和斜齿轮传动装置的齿轮齿比例 |
| 7. | Specification for non - metallic spur gears 非金属正齿轮规范 |
| 8. | Specification for pinion type cutters for spur gears - 1 to 8 metric module 正齿轮插齿刀规范. 1至8米制模数 |
| 9. | Hobs for cylindrical fine pitch gears with modul 0 , 1 up to 1 mm 模数0 . 1至1mm的圆柱形精密正齿轮加工用滚铣刀 |
| 10. | Addendum modification of straight spur gears in the 05 - system ; introduction -系统的直齿正齿轮的齿顶高修正.导言 |