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By 1978, the use of CFCs in aerosol propellants was banned.
自1978年起，含氯氟烃的喷雾剂压缩气体已被禁止使用。
《柯林斯英汉双解大词典》
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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。
youdao
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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。
youdao