国家定期测试

National Pipe Taper (pipe thread specification)国家烟斗锥(管道螺纹规格) Normal Pressure and Temperature常温常压，标准温度与压力 Non-Pneumatic TireNon-Pneumatic轮胎 Network Planning Technique网络规划技术 Normal Pipe Thread正常的管道螺纹 No-Path TriggerNo-Path触发 Nocturnal Penile Tumescence夜间阴茎肿胀 National PDES Testbed国家方向试点 Network Planning Terminal网络规划的终端 Nashville Public Television纳什维尔的公共电视 Norwegian Post and Telecommunications Authority挪威邮电机关 National Pipe Thread国家管道螺纹 Non-Productive Time[经] 非生产时间 Network Planning Tool网络规划工具 Neomycin Phosphotransferase新霉素磷酸转移酶