苏联米里设计局设计的米-6直升机是一种重型运输直升机，1957年首飞。
The Mi-6 helicopter by Mil USSR, is a heavy duty helicopter which first flight in 1957.
他还有一个带有4架波音支努干直升机的重型运输直升机中队，以及一个可以作为武装直升机服役的俄罗斯中型直升机中队。
He also has a heavy-transport helicopter squadron with four Boeing Chinooks, and a squadron of Russian medium helicopters that can serve as gunships.
同样的，及时提供像直升机和重型运输设备这样的关键物资也是很必要的。
Likewise, timely provision of key assets such as helicopters and heavy transport equipment is essential.
同样的，及时提供像直升机和重型运输设备这样的关键物资也是很必要的。
Likewise, timely provision of key assets such as helicopters and heavy transport equipment is essential.
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