The charcoal filling has tenuity effect in the improvement of water quality were only by its absorption and interception function.

3仅靠木炭填料吸附、截留作用去除水体污染物能力有限。

Coexistence of the rational and elegant prose has brought on interflowing of the two style and therefore facilitated prosperity and tenuity in this field.

理性散文与通俗散文并存，形成了雅俗合流的创作格局，共同促成了当代散文创作的繁荣与苍白。