operator-monitor
| communication
| operator monitor | |
| tech. | 操作员监视 |
| communication | |
| econ. | 思想沟通; 情报交流 |
| interntl.trade. | 通知; 信件; 报道 |
| IT | 计算机与通信 |
| met. | 联系; 交通 |
| radio.amat. | 通联 |
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| 操作员监视 | |||
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operator-monitor : 3 phrases in 2 subjects |
| Oil processing plants | 1 |
| Technology | 2 |