secondary dam副坝
secondaryadj.次要的;从属的;中等教育的n.副手;次要位置
secondary poisoning二次中毒
secondary metabohte次级代谢产物
secondary plastizer辅助增塑剂
secondary component次级成分
secondary switching次级接续
secondary impedance次级阻抗
secondary treatment二次处理,二级处理
secondary ball mill二次球磨机
secondary follicles[医] 次级卵泡
secondary heavy oil次生型稠油