down-flow
| principle
| down flow | |
| ecol. | 下向流; 下降流 |
| skydive. | 下沉气流; 向下气流 |
| principle | |
| gen. | 主义 |
| bridg.constr. | 规律; 理论 |
| hydroel.st. | 法则; 定律; 因素; 本质 |
| met. | 要素 |
| tech. | 原则 |
| tech. од. | 原理 |
| |||
| 下向流; 下降流 | |||
| 下沉气流; 向下气流 | |||
| |||
| 下流; 向下流动 | |||
|
down-flow : 44 phrases in 15 subjects |