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高柱信号 | |
tech. | high signal |
"BP 机" | |
telecom. | beeper |
机 | |
gen. | machine; apparatus; device; engine |
tech. | electric machinery; electrical machinery |
wind. | confined vortex wind machine |
BP机 | |
gen. | beeper |
| |||
high signal |
高柱信号 : 2 phrases in 2 subjects |
Communications | 1 |
Rail transport | 1 |