问题的提出飞速发展的石油工业对油品计量设备提出了迫切的要求。从油田开发,炼厂加工到港口装船,都要求在计量方面迅速摆脱大罐检尺的落后局面,赶超世界先进水平。所谓“大罐检尺”,就是计量工人,不论严冬酷暑,还是暴风大雨,都要爬到高达数公尺的大油罐顶部, The problem put forward The rapid development of the oil industry oil measurement equipment put forward urgent requirements. From oilfield development, refinery processing to port loading, require measurement in the fast get rid of the backwardness of large-scale inspection, catch up with the world advanced level. The so-called “big tank ruler” is a metrology worker, regardless of the winter heat, or heavy rain, must climb up to several meters at the top of a large tank,