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2." The Device 4, the "trend, that is, large scale, high-speed, electronic, improving productivity. 3.The energy-intensive equipment, mostly high energy consumption; at the same time modern equipment investment and operating costs are very expensive 10 capital-intensive, and thus enhance the managem

2. the emergence of the "four modernizations" tendency, which is continuous, large-scale, high-speed, electronic, and improves productivity. 3. equipment of energy-intensive, and energy consumption; at the same time very expensive investments in modern equipment and use, are capital-intensive, thus