| |||
auto-call unit | |||
automatic calling equipment; automatic calling unit; automatic call sign unit | |||
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automatic calling unit |
自动呼叫器: 12 phrases in 8 subjects |
Aviation | 1 |
Electronics | 3 |
Information technology | 3 |
Metallurgy | 1 |
Project management | 1 |
Shipbuilding | 1 |
Technology | 1 |
Telecommunications | 1 |