variable frequency
| induction
| tool
| variable frequency | |
| geophys. | 可变频率 |
| induction | |
| automat. | 感应; 电 感 |
| math. | 归纳; 归纳法 |
| met. | 引入 |
| radio.amat. | 感应 |
| space | 吸气; 进气; 归纳 |
| sport. | 进气 |
| tool | |
| dril. | 工 具 |
| hydroel.st. | 量具 |
| hydroel.st. од. | 工具 |
| mech. | 钻杆 |
| met. | 刃具; 刀具; 方法; 手段 |
| met. од. | 器械 |
| |||
| 可变频率 | |||
| 变频 | |||
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variable frequency : 127 phrases in 29 subjects |