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美国玛塞（Massey）煤炭公司的玛尔福克（Marfork）煤炭公司立项建设选煤厂时的设计入选能力为750t／h，在开工建厂之前，设计入洗能力增加到1050t／h，在选煤厂建设工程于1994年年末完工之前，设计人洗能力又提高到2400t儿，该选煤厂因此成为玛塞公司最大的选煤厂。1996年年末
The designed capacity of Marfork Coal Company, Massey Coal Company, to construct a coal preparation plant was 750t / h. Before commencement of construction, the designed wash capacity increased to 1050t / h. Before the construction of the coal preparation plant was completed in late 1994, the design wash capacity was raised to 2,400 t. The coal preparation plant thus became Maxi’s largest coal preparation plant. Late 1996