最終更新日：2024/07/31
(aviation, slang) Solid terrain, such as mountains, obscured by clouds and thus posing a risk to the pilot of an aircraft.
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cumulogranite
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(aviation, slang) Solid terrain, such as mountains, obscured by clouds and thus posing a risk to the pilot of an aircraft.
cumulogranite
DiQt（ディクト）
無料
★★★★★★★★★★
