Objective To observe the safety of diclofenac diethylamine salt gel after external use.目的观察双氯芬酸二乙胺盐凝胶经皮用药的安全性.The aminolignin flocculant was prepared based on calcium lignosulfonate, diethylamine and epichlorohydrin by a...
I thought a phonetic spelling might aid in pronunciation.我想语音拼写可能有助于发音。the International Phonetic Alphabet国际音标Our department has engaged a foreign teacher as phonetic adviser.我们系已经聘请了一位外籍老师作为语音顾问....