| 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 rack type gear cutters , metric module
米制模数齿条式铣齿刀规范 |
| 3. | Assembly tools for screws and nuts . rack wrenches
螺钉螺母用安装工具.齿条式扳手 |
| 4. | Lifting and handling . rack jacks . nomenclature
提升和搬运.齿条式千斤顶.术语 |
| 5. | Horology . involute toothing gears . basic racks
钟表业.渐开线齿轮.基本齿条 |
| 6. | Repairing auxiliary device of large modulus wormwheel rack
修复大模数蜗轮齿条辅助装置 |
| 7. | Recirculating ball - rack and sector steering gear
循环球齿条齿扇式转向器 |
| 8. | Contro1 of deformation of nodular cast iron rack during manufacture
球墨铸铁齿条变形的控制 |
| 9. | New metallic clothing for wool cayding
精纺梳毛机用新型针布齿条探析 |
| 10. | The basic data for rack pusher of furnace in rolling mill
轧钢车间加热炉齿条式推钢机.基本参数 |
