effective oxygen
| content
| effective oxygen | |
| tech. | 有效氧 |
| content | |
| comp. | 存数 |
| hydroel.st. | 含量; 容量 |
| manag. | 容积、容量; 事件 |
| met. | 容积; 目录 |
| space | 存数 |
| sport. | 内容; 内含物 |
| |||
| 有效氧 | |||
|
effective oxygen : 5 phrases in 4 subjects |
| Earth sciences | 1 |
| Space | 1 |
| Technology | 2 |
| Water resources | 1 |