nappan.软羊革(服装);纳帕手套羊皮大白菜.=napa.n.纳巴(美国加利福尼亚州西部城市)Napa.abbr.全国表演艺术家协会(=national association of performing artists)
napn.小睡;绒毛;纳普牌vi.打盹;疏忽
naphthoyltrifluoroacetone萘甲酰三氟丙酮
naphthylamine antioxidant萘胺类防老剂
naphthol trisulfonic acid萘酚三磺酸
naphthenie acid corrosion环烷酸腐蚀
naphthoquinone analog DDN萘醌类似物DDN
naphthylamine disulfonate萘胺二磺酸盐
naphthene base cruide oil环烷基泵油