nonbiodegradable GMAT

ATC waste liquid has such characteristics as high CODcr, high salinity and nonbiodegradable.

ATC废液具有高COD,高含盐量，以及难物降解的。

Nonbiodegradable pollutants, such as certain chlorinated hydrocarbon pesticides (e.g.DDT) and heavy metals, such as lead, copper, and zinc in some industrial effluents, accumulate in the environment.

物不可降解的污染，氯代烃类虫剂（DDT）和工业废水中的重金属，、和锌，在环境中积累。