常見例句Gelatin seems to be of special importance in the quantitative precipitation of silica, which has a strong tendency to stay dispersed as a hydrophylic colloid. 爲(wèi)了達(dá)到一定的目的，可以選用均相沉澱法以及小躰積沉澱法等沉澱方法。 返回 hydrophylic