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annunciator | |||
displaying instrument; indicating instrument; indication unit; reading instrument | |||
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indicating instrument |
指示仪 器 : 44 phrases in 12 subjects |
Architecture | 2 |
Aviation | 16 |
Compressors | 1 |
Dermatology | 1 |
Electronics | 7 |
Mathematics | 1 |
Metallurgy | 2 |
Oil processing plants | 1 |
Plastics | 1 |
Shipbuilding | 1 |
Space | 4 |
Technology | 7 |