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来源:雅诚德英语网
Steamboats were not only faster but also transported upriver freight for about one-tenth of what it had previously cost on hand-propelled keelboats.
蒸汽船不仅速度更快,往上游运送货物的成本也只有以前手推运货船的十分之一。
Steamboats were not only faster but also transported upriver freight for about one-tenth of what it had previously cost on hand-propelled keelboats.
蒸汽船不仅速度更快,往上游运送货物的成本也只有以前手推运货船的十分之一。