| 1. | Planar double - enveloping worm gearing terminology 平面二次包络环面蜗杆传动术语 |
| 2. | Basic rack tooth profile of fine - pitch cylindrical worm 小模数圆柱蜗杆基本齿廓 |
| 3. | Optimization design and cad system of worm and gear 蜗轮蜗杆的参数化设计与绘图 |
| 4. | Slotted raised countersunk head screws with full dog point 带全蜗杆槽头半沉头螺钉 |
| 5. | Accuracy of fine - pitch cylindrical worm and wormwheel 小模数圆柱蜗杆蜗轮精度 |
| 6. | Terminology and symbols for cylindrical worm and wormwheel 圆柱蜗杆蜗轮术语及代号 |
| 7. | Dualdrive gearbox : drp worm gear unit : standard precision 蜗轮蜗杆减速机:标准精度n |
| 8. | Terminology and symbols for cylindrical worm and worm wheel 圆柱蜗杆蜗轮术语及代号 |
| 9. | Planar double - enveloping worm gearing accuracy 平面二次包络环面蜗杆传动精度 |
| 10. | Slotted pan head screws with small head and full dog point 小头和全蜗杆盘头槽头镙钉 |