同义词
1)nitrogenous atmosphere,氮保护气氛2)nitrogen atmosphere,氮保护气氛<冶>3)nitrogen-fill protection,充氮保护4)Solid-nitrogen protected,固氮保护5)Liquid nitrogen preservation,液氮保藏6)Store by aerated nitrogen,充氮保藏7)Cryopreservation,液氮保存8)nitrogen retention,氮保持9)hydroxylamine nitrogen protection,羟胺氮保护10)liquid nitrogen cryopreservation,液氮保藏[法]
