| 1. | The filter is now ready for operation . 这种滤器目前即将投入运转。 |
| 2. | Their operations extended all over the town . 他们干活的地点遍及全城。 |
| 3. | The device enables the operation of the act . 这一措施使法律正式生效。 |
| 4. | The new system is now in full operation . 新的制度现在已全面实施。 |
| 5. | This factory went into operation last year . 这个厂是去年投产的。 |
| 6. | He is beginning to pick up after the operation . 手术后他的病有了起色。 |
| 7. | Angina before operation is a serious problem . 手术前心绞痛是严重问题。 |
| 8. | The salvage operation had been a complete failure . 打捞工作彻底失败了。 |
| 9. | The newspapers often chronicled his operations . 报上经常报导他做的手术。 |
| 10. | The operation was a marvel of medical skill . 这次手术是医术上的一个奇迹。 |