military helicopters
军用直升机
rescue helicopters
救援直升机
private helicopters
私人直升机
tourist helicopters
观光直升机
cargo helicopters
货运直升机
combat helicopters
作战直升机
firefighting helicopters
消防直升机
medical helicopters
医疗直升机
news helicopters
新闻直升机
training helicopters
训练直升机
helicopters are often used for emergency medical services.
直升机常用于紧急医疗服务。
many helicopters are equipped with advanced navigation systems.
许多直升机配备了先进的导航系统。
helicopters can land in areas where fixed-wing aircraft cannot.
直升机可以在固定翼飞机无法降落的地方着陆。
he watched the helicopters fly over the city during the parade.
他在游行期间看到直升机飞过城市。
helicopters are crucial for search and rescue operations.
直升机对搜索和救援行动至关重要。
some helicopters are designed for agricultural purposes.
一些直升机是为农业目的而设计的。
helicopters can be used for aerial photography and filming.
直升机可以用于航空摄影和拍摄。
military helicopters are often used in combat situations.
军用直升机通常用于战斗场合。
helicopters provide a unique perspective of the landscape.
直升机提供了对景观的独特视角。
helicopters require regular maintenance to ensure safety.
直升机需要定期维护以确保安全。
military helicopters
军用直升机
rescue helicopters
救援直升机
private helicopters
私人直升机
tourist helicopters
观光直升机
cargo helicopters
货运直升机
combat helicopters
作战直升机
firefighting helicopters
消防直升机
medical helicopters
医疗直升机
news helicopters
新闻直升机
training helicopters
训练直升机
helicopters are often used for emergency medical services.
直升机常用于紧急医疗服务。
many helicopters are equipped with advanced navigation systems.
许多直升机配备了先进的导航系统。
helicopters can land in areas where fixed-wing aircraft cannot.
直升机可以在固定翼飞机无法降落的地方着陆。
he watched the helicopters fly over the city during the parade.
他在游行期间看到直升机飞过城市。
helicopters are crucial for search and rescue operations.
直升机对搜索和救援行动至关重要。
some helicopters are designed for agricultural purposes.
一些直升机是为农业目的而设计的。
helicopters can be used for aerial photography and filming.
直升机可以用于航空摄影和拍摄。
military helicopters are often used in combat situations.
军用直升机通常用于战斗场合。
helicopters provide a unique perspective of the landscape.
直升机提供了对景观的独特视角。
helicopters require regular maintenance to ensure safety.
直升机需要定期维护以确保安全。
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