本书以煤炭、石油、铁、铜、铝等23种重要矿产为对象,重点对这些矿产的国内外资源储量、生产、消费、进出口贸易及价格走势等问题进行分析,力求在把握趋势的基础上研究供需状况,向读者更加全面地展示各矿种供需方面的信息。
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Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: New. Paperback. Pub Date: 2016-07-01 Pages: 124 Language: Chinese Publisher: people's traffic press hence widely hence west: highway construction standardization implementation guide (the fourth volume pavement engineering) system on the basis of the current highway engineering standards. specifications. weak link for the engineering quality common fault and management. fully absorb the construction standardization around. Codice articolo NI070020
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