词汇“propellants”用英语造句的方法、技巧、例句及翻译-英语例句辞典

单词	propellants
例句	DEFINITIVE EXAMPLES 权威例句〔propellant〕By 1978, in the U.S.A., the use of CFCs in aerosol propellants was banned.美国自1978年起禁止在喷雾剂压缩气体中使用含氯氟烃。外研社新世纪〔propellant〕By 1978, in the USA, the use of CFCs in aerosol propellants was banned.美国自1978年起禁止在喷雾剂压缩气体中使用含氯氟烃。柯林斯高阶
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