secondary end次级端
secondaryadj.次要的;从属的;中等教育的n.副手;次要位置
secondary infertility次因性不孕
secondary marshalling辅助编组
secondary dump system辅助转储系统
secondary yolk nuclei次生卵黄核
secondary transaction次级交易
secondary orientation从属定向
secondary dislocation二次位错
secondary idle-hole怠速副喷口
secondary interstices次性间隙
secondary preselector第二预选器