high-rank coals的意思|示意
美 / /
英 / /
高煤阶煤
high-rank coals的网络常见释义
高质煤 ... 高质理想 higher prime ideal 美国高质 GOULDS 高质煤 high-rank coals ; rank coals ...
high-rank coals相关例句
Coal maceral concentrates of high purity were prepared from four different rank coals by Density Gradient Centrifugation method.
经等密度梯度离心分离，从褐煤、长焰煤、气煤和贫煤四种不同变质程度煤中获得了高纯度的有机显微组分。