Several towns nationwide have started using the domes lined with bacterial biofilm to clean water in existing facilities.
美国各地许多城镇已经开始在其现有污水处理系统当中采用这种覆有细菌生物被膜的半圆形设备。
Several towns nationwide have started using the domes lined with bacterial biofilm to clean water in existing facilities.
美国各地许多城镇已经开始在其现有污水处理系统当中采用这种覆有细菌生物被膜的半圆形设备。
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