| 1. | Double - pitch precision roller chains for transmission and conveyors
传输设备和输送机用双节距精密滚子链 |
| 2. | Double - twist laying - up machine
双节距高速束线机 |
| 3. | Double - pitch precision roller chains and sprockets for transmission and conveyors
传动及输送用双节距精密滚子链和链轮 |
| 4. | Double - twist cabling machine
双节距成缆机 |
| 5. | Roller chains , double pitch
辊子链.双节距 |
| 6. | Double - twist bunch strander
双节距束线机 |
| 7. | Double - pitch precision roller chains and sprockets for transmission and conveyors
传动和输送机用双节距的精密辊链和链轮 |
| 8. | Identifying method research of gross error in bi - pitch measurement of straightness
直线度双节距法测量中的粗差识别方法研究 |
| 9. | Double twist buncher
双节距束线机 |
