防毒通道 fángdútōngdào gas-proof passage Definitions Defs Origin Strokes Stroke Words Sentences Sents 防毒通道 fángdútōngdào gas-proof passage a passageway or airlock designed to protect against gas, toxins, or contamination
防毒通道 fángdútōngdào gas-proof passage a passageway or airlock designed to protect against gas, toxins, or contamination
