Read Edit View history Discussion 集体防护 jítǐfánghù collective protection Origin Definitions Defs Strokes Stroke Words Sentences Sents 集体防护 集體防護 jítǐfánghù collective protection measures or equipment used for the collective protection of a group, especially against chemical, biological, or nuclear threats
集体防护 集體防護 jítǐfánghù collective protection measures or equipment used for the collective protection of a group, especially against chemical, biological, or nuclear threats