A salt of a pullulan aminoalkyl ether according to claim 1, wherein the salt-forming acid is hydrochloric acid, hydrobromic acid, sulfuric acid, nitric acid, acetic acid, or oxalic acid.是什么意思_A salt of a pullulan aminoalkyl ether according to claim 1, wherein the salt-forming acid is hydrochloric acid, hydrobromic acid, sulfuric acid, nitric acid, acetic acid, or oxalic acid.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句