alternating current track circuit
| with
| two element
| two position relay
| alternating current track circuit | |
| tech. | 交流轨道电路 |
| with | |
| gen. | 跟; 随着; 用 |
| busin. | 和…一起; 与…一道; 与…一起 |
| earth.sc. | 具有; 包括...... 在内 |
| two-element | |
| gen. | 二元的; 双元件的 |
| two position relay | |
| mil., air.def. | 双位信号 |
| two-position relay | |
| el. | 双位置继电器 |
| hydroel.st. | 二位置继电器 |
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| 交流轨道电路 | |||
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alternating current : 1 phrase in 1 subject |
| Communications | 1 |