通用航空还使直升飞机救援及救护服务，空中出租车得以开通，并可以方便在边远地区进行维修输电线路，输油管路，及其他基础设施。
General aviation also enables helicopter rescue and ambulance services, air taxis and easier maintenance of power lines, pipelines and other infrastructure in far-flung places.
我们购买了某些航线需要用到的较大型飞机，而因为两种型号飞机之间的通用性，我们能够节省大量的机组人员、维修与备件费用。
We get a larger aircraft, which we need on some of our routes, yet because of the commonality we will save a substantial amount of money on crewing, maintenance and spare parts.
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