national harbors 中文意思是什麼
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The coastal harbors, the keys in the coal transportation system, have been invested in last 15 years by center government. so that the bottle - neck of the coastal coal transportation system has been broken. the capacity of harbors and ships can meet the demand of coal transportation to the national economy development
煤炭海運港口作為該運輸系統的一個重要環節， 「七五」 、 「八五」期間國家投入大量資金對其進行建設，目前沿海煤炭運輸的瓶頸現象已基本消失，港口吞吐能力、船舶運力基本可以滿足國家經濟建設對煤炭海上運輸的需求。
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