对冶炼中有害元素钾、钠、氟、硫的控制还缺乏有效手段，致使出现高炉利用系数偏低、高炉不畅和造成环境的严重污染。
Control on harmful elements such as K, Na, f, s in smelting is short of effective measures, which results in BF capacity factor low, BF process not smoothly and serious environment pollution.
为节省动力和更有效地利用燃料，对旋耕机的牵引功率利用系数与旋耕进距的关系进行了研究。
In order to save power and use fuel more efficiently, the relationship between the rotator's traction power coefficient and the rotator width was studied in this article.
通过渠道清淤防渗工程和小农水连片建设，有效地提高了灌溉水利用系数。
Seepage through the channel dredging project and the construction of small-scale water contiguous to effectively improve the utilization coefficient of irrigation water.
农业灌溉水有效利用率低下，灌溉水利用系数不足0.4，灌区节水有相当大的潜力。
The effective utilization rate of agricultural irrigation water is very low. Its utilization factor is below 0.4 that there are great potentialities on water saving in irrigated regions.
农业灌溉水有效利用率低下，灌溉水利用系数不足0.4，灌区节水有相当大的潜力。
The effective utilization rate of agricultural irrigation water is very low. Its utilization factor is below 0.4 that there are great potentialities on water saving in irrigated regions.
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