Besides,the experimental results reveal that the optimal content in air electrode is 15% for PTFE and 15% to 20% for acetylene black.是什么意思_Besides,the experimental results reveal that the optimal content in air electrode is 15% for PTFE and 15% to 20% for acetylene black.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句