Tethered balloon

（重定向自Tethered aerostat）

The DHL Balloon manufactured by Aerophile is the world's largest tethered helium balloon with 30 passengers on board

Tethered Aerostat Radar System (TARS) aerostat of the U.S. Army, used by Air Force, Marfa, TX

A tethered, moored or captive balloon is a balloon that is restrained by one or more tethers attached to the ground and so cannot float freely. The base of the tether is wound around the drum of a winch, which may be fixed or mounted on a vehicle, and which is used to raise and lower the balloon.

单词	Tethered aerostat
释义	Tethered aerostat 英语百科 Tethered balloon （重定向自Tethered aerostat） A tethered, moored or captive balloon is a balloon that is restrained by one or more tethers attached to the ground and so cannot float freely. The base of the tether is wound around the drum of a winch, which may be fixed or mounted on a vehicle, and which is used to raise and lower the balloon.
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