浓度: potency; thickness; concentration; consistence; strength; consistency; density 短语和例子当量浓度 [化学] equivalent concentration; 高浓度 high concentration; 矿浆浓度 pulp density
元素: 1.(要素) element; elementary substance2.[数学] [化学] element 短语和例子水是含有氢元素和氧元素的化合物。 water is a compound containing the elements hydrogen and oxygen.; 元素表 list of elements; 元素分析 [分析化学] ultimate a
