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tonnetQnn [C]met.ric ton pl tonnes or tonne 1000 kilograms公吨Oil deliveries will fall 2.5 million tonnes short of demand this year.今年由于缺少需求,石油的交割量将下降250万公吨。The 7554-tonne liner had been chartered by a millionaire to celebrate his daughter's marriage.这艘7554 公吨重的班轮被一位百万富翁包了下来以庆祝他女儿的婚礼。
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