词汇	mask-mounted regulator
释义	mask-mounted regulator 面罩供氧调节器
随便看	transition-mental complexes transitionmetal transition metal transition-metal transition metal alloy Transition metal and their alloy transition metal carbide transition metal carbides transition metal catalysis transitionmetal catalyst transition metal catalyst transition metal-catalyst transition-metal catalyst transition metal catalysts transition metal-catalyzed transition metal cation transition-metal cation Transition metal cations transition metal chemistry transition metal cluster Transition-metal cluster transition metal cluster chalcogenides Transitionmetal complex transition metal complex transition-metal complex