The experimental samples were made from the non separated phenol compounds of Chinese Larch tree. The aqueous solution of Ba(OH) 2 were used as titrant.是什么意思_The experimental samples were made from the non separated phenol compounds of Chinese Larch tree. The aqueous solution of Ba(OH) 2 were used as titrant.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句