沾染控制 zhānrǎnkòngzhì contamination control Definitions Defs Origin Strokes Stroke Words Sentences Sents 沾染控制 zhānrǎnkòngzhì contamination control measures or techniques used to prevent, contain, or eliminate radioactive, biological, or chemical contamination
沾染控制 zhānrǎnkòngzhì contamination control measures or techniques used to prevent, contain, or eliminate radioactive, biological, or chemical contamination
