秦皇岛港是世界最大的煤炭输出港，我国北煤南运的最重要港口。
Qinhuangdao Port is the world's largest coal export port, the most important port of coal transportation from north to south.
秦皇岛港是世界最大的煤炭输出港，我国北煤南运的最重要港口。
Qinhuangdao Port is the world's largest coal export port, the most important port of coal transportation from north to south.
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