单词 | propellant |
释义 | propellant (prəpelənt ) Word forms: propellants 1. variable noun Propellant is a substance that causes something to move forwards. ...an enormous amount of propellant. ...a propellant for nuclear rockets. 2. variable noun Propellant is a gas that is used in spray cans to force the contents out of the can when you press the button. By 1978, in the U.S.A., the use of CFCs in aerosol propellants was banned. |
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