地震仪

• Preventing of 763 seismograph from
  763地震仪干扰的排除
• Counting - shallow - layer seismograph
  计数型浅层地震仪
• Seismic group telemetry system
  分组式遥测型地震仪
• Distributed telemetry sdas
  分布式遥测型数字地震仪
• Seismic group recorder system
  分组式遥测型地震仪
• Marine digital seismic apparatus
  海洋数字地震仪
• The cheking items and associated specifications for r24 seismic recording system
  R24浅层地震仪检验项目和技术规定
• Analog deep - level seismograph
  模拟深层地震仪
• Critically damped seismograph
  临界阻尼地震仪
• Analog deep - level seismograhp
  模拟深层地震仪