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shi jie chuan yun ye de jin xi
Author(s): 
Pages: 52-53
Year: Issue:  8
Journal: World Vision

Keyword:  十九世纪煤炭世界货运业务化工产品船只船运业方便旗船队货物;
Abstract: <正> 十九世纪末,以风为动力的帆船让位于以钢铁为船体,内燃机作动力的船只,这才使速度快、可靠性高、运载量大的船得到发展,船运公司才在固定的航线上经营定期货运业务。这种情况也促进了建造越来越大的轮船。专用船舶是逐步建造起来的,起初是运输散装干货(如煤炭),后来是运输品种繁多的不包装的货物,如食糖、化肥、煤炭、粮食和化工产品等。
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