| 1. | The four main types of gears (spur, helical, worm, and bevel)and a rack and pinion are shown in figure 7 .
图7所示是四种主要的齿轮（巨齿轮，斜齿轮，蜗轮和伞齿轮）以及齿条和小齿轮。 |
| 2. | Specification for worm gearing - metric units
蜗轮传动装置规范.第2部分:米制单位 |
| 3. | Denominations on gears and gear pairs ; worm gear pairs
齿轮和齿轮副的名称.蜗轮副 |
| 4. | Optimization design and cad system of worm and gear
蜗轮蜗杆的参数化设计与绘图 |
| 5. | Accuracy of fine - pitch cylindrical worm and wormwheel
小模数圆柱蜗杆蜗轮精度 |
| 6. | Specification for worm gearing - imperial units
蜗轮传动装置规范.第1部分:英制单位 |
| 7. | Terminology and symbols for cylindrical worm and wormwheel
圆柱蜗杆蜗轮术语及代号 |
| 8. | Worm gear drive for continuous ustment of the pitch
连续调整节距用蜗轮驱动器 |
| 9. | Dualdrive gearbox : drp worm gear unit : standard precision
蜗轮蜗杆减速机:标准精度n |
| 10. | Terminology and symbols for cylindrical worm and worm wheel
圆柱蜗杆蜗轮术语及代号 |
