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| 英语 |
| preselector | |
| 通讯 | pre-selector; subscriber's uniselector |
| 地球科学 电子产品 | change-over selector |
| 卫生保健 | pre-filter |
| control | |
| 一般 | check; checking; checkup; inspection; surveillance |
| 财政 | monitoring |
| 社会科学 运输 机械工程 | indicating |
| 煤炭 | examination |
| 卫生保健 | control |
| 微软 | thumb |
| |||
| pre-filter | |||
| change-over selector | |||
| preselector | |||
| pre-selector; subscriber's uniselector | |||
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preselector : 7 短语, 4 学科 |
| 信息技术 | 2 |
| 技术 | 2 |
| 机械工程 | 2 |
| 电子产品 | 1 |