|
21. | dated securities |
| 定期证券 |
|
|
| |
22. | see each other regularly |
| 定期约会 |
|
|
| |
23. | routine adjustment |
| 定期调整 |
|
|
| |
24. | periodic blow down |
| 定期排污 |
|
|
| |
25. | schedule maintenance |
| 定期维护 |
|
|
| |
26. | regular premium |
| 定期保费 |
|
|
| |
27. | scheduled aircraft |
| 定期班机 |
|
|
| |
28. | planned disposal |
| 定期销毁 |
|
|
| |
29. | routine observation |
| 定期观察 |
|
|
| |
30. | periodic elections |
| 定期选举 |
|
|
| |