比长仪
bǐ cháng yí
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比长仪
比长仪[bǐ cháng yí]
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2m激光比长仪空气弹簧隔振平台自动监控系统
The Automatic Monitoring System for Air Spring Vibration Isolation Platform of Laser Interferometric Comparator with 2-meter Measurement Range
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激光干涉比长仪的新型瞄准方法&提高线纹尺的测量精度
New Aiming Method in Laser Interferometer Improving the Measurement Accuracy of Line Scale
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采用压汞法对水泥硬化浆体的孔结构进行了分析。采用比长仪对该水泥的胀缩性进行了研究。
The expansion and dry shrinkage performance and pore structure of hardened paste of the cement have been measured by using the length instument and mercury porosimeter .