低真空空气测微仪
low vacuum air micrometer
智能真空测量仪表
intelligent vacuum measurement instrument
精密测量仪器
fine measuring instrument
precision measuring instrument
包络延迟失真测量仪
envelope delay distortion meter
传输失真测量仪
transmission distortion measuring set
恒流放电真空测量
Constant-current discharge vacuum measurement
空气真空两用制动装置
air and vacuum dual brake equipment
脉冲放电真空测量
Pulsed discharge vacuum measurement
真空测量控制
vacuum measurement and control