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一种改善呼吸微环境的系统,包括呼吸微环境模块(1),其中的呼吸微环境模块(1)主体为一可将使用者呼吸道开口区域容纳其内的呈盔罩状的盔体(11),还包括限定盔体(11)运动轨迹的导向模块(3),盔体(11)至少有一导向部分(14)与导向模块(3)的导向体(33)相配合。