optical reference line meaning in Chinese
光学参考线，光学基准线
光学基准线
Examples
- Calibration of upright cylindrical tanks using the optical reference line method
使用光基准线法对立式圆柱形容器的校验 - Petroleum and liquid petroieum products - volumetric calibration of vertical cylindrical metal tanks - optical reference line method
石油和液体石油产品立式圆筒形金属油罐容积标定法