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

ATC废液具有COD,含盐量，以及难生物降点。

Preflight check found No.2 ATC fault.

航前检查发现2号ATC故障。

Filler retention and drainability of wheat shaw pulp could be improved remarkably when PAC and PDADMAC were added as ATC before the addition of CPAM.

用PAC和PDADMAC作为阴离捕捉剂可显著改善麦草浆滤水性，提着率。