He is also the director of the Environment and Safety Technology Center (ESTC) of the CUP and a member of the American Institute of Chemical Engineers (AIChE).是什么意思_He is also the director of the Environment and Safety Technology Center (ESTC) of the CUP and a member of the American Institute of Chemical Engineers (AIChE).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句