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交换局连接 | |
telecom. | exchange connection |
设施 | |
gen. | facilities |
bridg.constr. | services |
desert. | facility instrument; utility |
el.mach. | installation |
exhib. | familiarization |
met. | service |
space | environment |
sport. | facility |
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exchange connection |
交换局连接 : 1 phrase in 1 subject |
Information technology | 1 |