gas-mask防毒面具;翻译
mixed gas diving mask混合气潜水面罩
Gas Use mask吸笑气
gas s mask防毒面具
military gas-mask军用防毒面具英语;翻译;军用防毒面具
gas s mask charcoal防毒面具用活性炭
Must wear gas defense mask必须戴防毒面具
Must wear gas defence mask必须戴防毒面具;中国国家标准标识
Must ware gas defence mask必须戴防毒面具
N-COUNT(可数名词) A gas mask is a device that you wear over your face in order to protect yourself from poisonous gases. 防毒面具