That is on board a ship, aircraft, spacecraft, etc.
| 单词 | θ207657 |
| 释义 | society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > controls and instruments > [adjective] > on board (of instruments or equipment) (1) on-board1958 That is on board a ship, aircraft, spacecraft, etc. |
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