GB/T 21451.4-2008
石油和液体石油产品.储罐中液位和温度自动测量法.第4部分:常压罐中的温度测量
Petroleum and liquid petroleum products.Measurement of level and temperature in storage tanks by automatic methods.Part 4:Measurement of temperature in atmospheric tanks
GBT21451.4-2008, GB21451.4-2008