Belt conveyor is the vital equipment to ensure high production and efficiency in Modern coal mine.
皮带机是保证现代煤矿高产、高效的主要设备。
A United Nations report says reaching that goal will require major increases in intensive, high-efficiency livestock operations for both meat and dairy production.
联合国的一份报告说，要实现这一目标，就必须大力增加密集高效的畜牧业生产，以生产肉类和奶制品。
Central to the concept of economies of scale is the idea that the best way to achieve high efficiency, and hence low unit costs, is through the mass production of a standardized output.
规模经济的中心思想就是为达到高效率从而降低单位成本，而进行的通过标准化批量生产所采用的最佳方法。
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