B-A电离真空计
Bayard-Alpert ionization gauge (B-A gauge
B-A gauge
EnCor真空辅助旋切系统
Vacuum assisted biopsyt
EnCor vacuum-assisted breast biopsy system
GVM—1014真空直读光谱仪
GVM—1014 type vacuum direct—reading spectrometer
NJG型真空激光准直系统
NJG vacuum laser alignment System
RH-TB真空脱碳
RH-TB vacuum decarburization