词汇	慨悵
释义	慨悵 kǎi chàng感慨惆悵。
随便看	propellant fire propellant flow propellant flow rate propellant force propellant formulation propellant fouling propellant fuel propellant fuel transport tank propellant gas propellant gas active coefficient propellant gasifier Propellant Gauging System propellant grain propellant grain calculation propellant grain core propellant grain design propellant grains propellant handling propellant highway transport truck propellant ignition propellant injection propellant injection pump vehicle propellant injector Propellant Inspection Building propellantlent