napooadj.完蛋了的;没用的
napn.小睡;绒毛;纳普牌vi.打盹;疏忽
naphthene base lubrication oil环烷基润滑油
naproxen production wastewater萘普生废水
naphthylamine monosulfonic acid萘胺一磺酸
naphtheno paraffinic crude oils沥青 石蜡基石油
Nappe belt of northern Tianshan北天山推覆带
naphthenic petroleum sulphonate环烷基石油磺酸盐
napthoquinone diazide compounds重氮萘醌化合物
nappe tectonic of northern Hubei芒塞尔系亮度函数
naphthene-base crude petroleum环烷基原油
napped needle-punched nonwovens针刺法起绒非织造布