单词 | ton-mile |
释义 | ton-mileton-mile(tŭn′mīl′)Ton-Mileton-mile[′tən ′mīl]Ton-Milea unit of measurement for freight transportation by oceangoing vessels. Ton-miles are calculated by multiplying the weight of the cargo in tons by the distance traveled by the vessel in nautical miles. In the USSR, the ton-mile is used for planning and calculating the freight turnover of oceangoing vessels. In other types of transport, freight turnover is measured in ton-kilometers (1 nautical mile equals 1.852 km). |
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