ring-closure关环反应
ring-closure reaction闭环反应;翻译;闭环反应英语
silicon ring closure硅橡胶环固定
Abdominal Ring Closure内环口关闭
reductive ring closure还原环合
Multiple Ring Closure形成多环终结
catalyzed ring closure催化关环
ring closure technique内环口关闭术;环口关闭术
Ring Closure Techinque单纯内环口关闭法;环口关闭法