 |
отчт | по запросу
- 只找到单语| по запросу | |
| 一般 | available upon request; upon the request of; at request |
| 气象 | upon request |
| 航空 | on-request |
| 商业活动 | on request; at the request of |
| 计算机网络 | per request basis |
| 法律 | as and when required |
| 信息技术 | on demand |