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physical service | |
telecom. | 实际服务; 实物服务 |
header | |
IT | 首部; 报头; card首 卡 、标题卡片 |
mech. | 集气管 |
met. | 头部 |
roll. | 顶锻机 |
| |||
实际服务; 实物服务 |
physical services header : 15 phrases in 5 subjects |
Computer networks | 2 |
Electronics | 8 |
General | 1 |
Information technology | 2 |
Telecommunications | 2 |