Testing matching ratio and quality controlling of anti-frozen massive pumping concrete C30P12F100 is introduced with the construction application.
本文主要介绍C30P12F100抗冻大体积泵送混凝土的配合比设计试配及工程应用情况。
The"311-A"regression design was adopted to study the optimum ratio of N, P and K fertilizers on maize field of Yellow River Pumping Irrigation District in Cheng Xitan, Yanchi Ningxia.
运用“311-A”试验设计，探讨宁夏盐池县城西滩扬黄灌区玉米氮、磷、钾肥料的最佳配比。
The production pressure differential can be increased and the injection-production ratio can be reduced by transferring from flowing to pumping.
利用自喷转抽提液方法，放大生产压差，降低注采比。
应用推荐