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Air Transport of Agricultural Perishables

出版	U.S. Department of Agriculture, 1946
URL	http://books.google.com.hk/books?id=KCouAAAAYAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

Transport aircraft should be considered in terms of potential carry capacity under modern methods of operation rather than as a specific number of planes. The strides the airline industry has made in economies of operation and in the utilization of equipment have increased the carrying capacity of air transportation during the last few years.