国家计量技术规范的英文

• jjf

• 国家:    country; state; nation
• 计量:    calculate; estimate; measure
• 技术规范:    technical regulation; techni ...
• 罐内液体石油产品计量技术规范:    technical norm of the measurement of liquid petroleum products in tanks
• 几何量技术规范:    geometrical product specifications-length standards-gauge blocks

例句与用法

1. This article evaluates the uncertainty of measurement results of measuring spherical metal tank capacity in accordance with jjg642 - 1990 v . r . of spherical metal tank capacity arid jjf1059 - 1999 evaluation and expression of uncertainty in measurement
   摘要依据jjg642 - 1990 《球形金属罐容量国家计量检定规程》和jjf1059 - 1999 《测量不确定度评定与表示国家计量技术规范》 ，对环形金属罐容量的测量结果不确定度进行评定。