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提高单节功率4000马力内燃机车运用效率的方法之一是在单节机车上装用两台2000马力的柴油机。现在让我们来评比装用四台2000马力的12Д—70型柴油机或两台4000马力的3Д—7O型柴油机分别组成的双节总功率为8000马力的机车用于运输的经济效果(按年计)。在比较中设机车1中的3Д—70型柴油机按现在运用中的情况同时工作(),机车2中的12—70型柴油机也同时工作(),机车3中的12—70型柴油机循序在1000马力以下工况时单列气缸工
One way to increase the efficiency of a single horsepower 4000-horsepower diesel locomotive is to install two 2000-horsepower diesel engines on a single locomotive. Now let’s evaluate the economy of a two-horsepower 8000 horsepower locomotive with four 2,000-horsepower 12Д-70 diesel engines or two 4,000 horsepower 3Д-7O diesel engines for transport (annual) . In comparison, the 3 -70 diesel engine in the locomotive 1 is operated at the same time according to the present situation (). The 12-70 diesel engine in the locomotive 2 also works at the same time (). The 12-70 diesel engine in the locomotive 3 is sequenced 1000 horsepower following single-cylinder working conditions