secondary standards meaning in English
副标准
Examples
- Secondary standard ionization vacuum gauges
二等标准电离真空计 - Secondary standard mercury barometers
二等标准水银气压表 - Verification regulation for secondary standard divided flow humidity generator
二级标准分流式湿度发生器检定规程 - Secondary standard seawater
幅标准海水 - Standard test method for calibration of helium leak detectors by use of secondary standards
使用副标准件校准氦检漏仪的试验方法