Pine Valley Bulletin什么意思

PolyVinyl Butyral聚乙烯醇缩丁醛 Primary Vacuum Break基本真空中断 Pressure Vacuum Breaker压力真空断路阀 Polyvinylbutyral聚乙烯丁醛 Potemkin Village Band (Potemkin Village, Canada)Potemkin村(Potemkin村,加拿大) Philippine Veterans Bank菲律宾退伍军人的银行 Portametric Voltmeter BridgePortametric电压表桥 Ponte Vedra BeachPonte Vedra海滩 Premature Ventricular Beat室性期前收缩, 室性早搏 Professional Visual Basic专业的视觉基本 Pine Valley Bulletin华彬公报 Bevel file斜面文件 Projected Valence Bond价键放映