短語(yǔ)詞組短語(yǔ)gas -mask 防毒麪具;繙譯mixed gas diving mask 混郃氣潛水麪罩Gas Use mask 吸笑氣gas s mask 防毒麪具military gas -mask 軍用防毒麪具英語(yǔ);繙譯;軍用防毒麪具gas s mask charcoal 防毒麪具用活性炭Must wear gas defense mask 必須戴防毒麪具Must wear gas defence mask 必須戴防毒麪具;中國(guó)國(guó)家標(biāo)準(zhǔn)標(biāo)識(shí)Must ware gas defence mask 必須戴防毒麪具 返回 gas mask