engine operating
| sequence
| engine operating | |
| auto. | 发动机运转 |
| sequence | |
| gen. | 先后; 序 |
| geol. | 时序 |
| geol. од. | 层序 |
| hydroel.st. | 顺序; 次序 |
| hydroel.st. од. | 序列 |
| met. | 系统 |
| oil | 沉积剖面 |
| sport. | 连续 |
| |||
| 测试发动机运转工作 | |||
|
engine operating : 29 phrases in 6 subjects |
| Automobiles | 9 |
| Aviation | 9 |
| Nautical | 1 |
| Shipbuilding | 4 |
| Space | 3 |
| Technology | 3 |