最終更新日：2024/07/28
an aerostat, such as a balloon, connected to the ground by a cable and winch, and used as an observation platform etc.
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tethered aerostat
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an aerostat, such as a balloon, connected to the ground by a cable and winch, and used as an observation platform etc.
tethered aerostat
DiQt（ディクト）
無料
★★★★★★★★★★
