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列车运行监控记录装置检定系统框图
Verification Scheme of Measurement for Special Measuring Standards of Railway
价格:¥0.00
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机车速度表检定系统框图
Verification Scheme of Measurement for Special Measuring Standards of Railway
价格:¥0.00
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磁电式速度传感器
Electromagnetic velocity transducer
价格:¥0.00
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气象仪器用机械式钟机旋转自记钟
Meteorological instrument recording cylinder with an internal clock revolving with it
价格:¥0.00
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电阻应变式加速度传感器
Resistance strain accelerator transducer
价格:¥0.00
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