| 1. | Theories serve a dual purpose .
理论有双重效果。 |
| 2. | Drysteam dual purpose . multiple stages temperature control design
多段式控温设计 |
| 3. | Sedan or private car , or for dual purpose e . g
登记车辆必须为轿车或私家车、或两用者( |
| 4. | Characteristic : a ladder dual purpose
特点：一梯两用。 |
| 5. | Assignments performed by students for submission have a dual purpose
学生完成并缴交的指定作业有两个目的。 |
| 6. | When power is lost , manual & electric dual purpose elevator can also be used
手电两用升降机无电时也能使用。 |
| 7. | Dual purpose voltage transformer
双重用途电压互感器 |
| 8. | Dry steam dual purpose
外型轻巧，美观实用 |
| 9. | Water / oil dual purpose machine can use either water or oil heating medium
可根据需要任意选择以水或热媒油当传热介质。 |
| 10. | Water / oil dual purpose mmachine can use either water or oil heating medium
可根据需要任意选择以水或热媒油当传热介质。 |
