| 1. | Specification for worm gearing - metric units 蜗轮传动装置规范.第2部分:米制单位 |
| 2. | Specification for worm gearing - imperial units 蜗轮传动装置规范.第1部分:英制单位 |
| 3. | D371x worm wheel butterfly balbe - changmao D371x型蜗轮传动蝶阀- changmao |
| 4. | D371x worm wheel butterfly vavle D371x型蜗轮传动蝶阀 |
| 5. | D371x worm wheel butterfly balbe D371x型蜗轮传动蝶阀 |
| 6. | Butterfly valves with gear actuator 蜗轮传动蝶阀 |
| 7. | Table worm gearing 工作台蜗轮传动装置 |
| 8. | Cased worm gear 闭式蜗轮传动 |
| 9. | Cylindrical worms ; dimensions , correlation of shaft centre distances and gear ratios of worm gear drives 圆柱形蜗杆.尺寸轴心距和蜗轮传动传动比之间的关系 |
| 10. | Definitions and parameters on cylindrical worm gear pairs with rectangular crossing shafts - part 2 : deviations 带矩形交叉轴的圆柱蜗轮传动装置对偶的定义及参数.第 |