| 释义 |
2A3 may refer to: - 2A3 Kondensator 2P, a Soviet self-propelled Howitzer
- Larsen Bay Airport, Alaska — FAA LID code: 2A3
- Bessemer Airport, Alabama — former FAA LID code: 2A3
- a Power triode commonly used in Single-ended triode (SET) amplifiers
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