cascade development
| planning
| cascade development | |
| hydroel.st. | 河流梯级开发; 梯级开发 |
| polygr. | 喷射式显影 |
| planning | |
| agric. | 方案 |
| avia. | 规划计划预算系统 |
| busin. | 部署 |
| environ. | 规划 |
| hydroel.st. | 计划; 规划; 设计; 工程规划; 分配 |
| oil | 计划编制 |
| |||
| 河流梯级开发; 梯级开发 | |||
| 喷射式显影 | |||
| 级联显色; 干粉显影 | |||
|
cascade development : 6 phrases in 2 subjects |
| Hydroelectric power stations | 3 |
| Hydrology | 3 |