The locomotive usage set number of how much, the locomotive usage efficiency of high and low all affect the quantity and the quantity index sign that the railroad transports the production directly.
机车使用台数的多少、机车运用效率的高低都直接影响着铁路运输生产的数量与质量指标。
Kappa number is an important quality index of pulp, and it is determined by the quantity of lignin in pulp.
卡伯值是纸浆质量的重要指标，而纸浆中的木素含量决定了纸浆的卡伯值。
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