沉淀区 settling zone
- 据此,建议现场应用采用12个小时沉淀区保留时间。
On this basis, a 12-hour settling zone retention time is recommended for most applications. - 该高低结构中,由于重力原因,出水会回流(如果使用)到沉淀区。
In the over-and-under configuration, effluent recycle (when used) returns by gravity to the settling zone. - 就全球而言,从潮间带平原和沉淀区到11 000米处最大的深海沟,海底栖息地占据了三亿多万平方米。
Globally, the seabed habitats occupy more than 300 million million square metres, from the intertidal flats and pools to the mightiest deep-sea trenches at 11, 000 meters.
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