A self-humidifying membrane electrode assembly(MEA) used in proton exchange membrane fuel cell(PEMFC) was specially designed and prepared.是什么意思_A self-humidifying membrane electrode assembly(MEA) used in proton exchange membrane fuel cell(PEMFC) was specially designed and prepared.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句