电真空发射机
electronic vacuum tube transmitter
活塞式真空发生器
piston typed vacuum generator
vacuum ejector
piston vacuum generator
真空发电机断路器
vacuum generator circuit brearer
vacuum generator circuit breaker
低真空空气测微仪
low vacuum air micrometer
化学真空薄膜沉积
chemical mechanical collector
Characterize
~梳状谱发生器
Comb-like Spectrum Generator(CSG
LIAISON化学发光免疫分析法
LIAISON chemiluminescent immunoassay
SnO2-ZnO真空蒸发
SnO2-ZnO vacuum evaporation