我们通常在皮筏上钓鱼，有时也会站在清澈透明的德勒格尔河水中钓鱼。
We fished from the rafts as well as by wading in the crystal clear waters of the Delger river.
混凝是水处理工程中应用最广泛的操作单元之一，具有作用效果好，处理方式简单等优点，通常在给水和排水中作为一级处理单元。
Coagulation is one of the operating unit most widely used water treatment project, which has the effect of a good deal structures and simple structure.
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