改造后，水位计正负压取样管管壁温明显下降，正负取样管的散热性能改善了，仪表测量的准确性得到了保证。
【化】 计量精度
measuring accuracy
暂无补充释义。
相关例句
摘要对CG-Ⅲ型光速测定仪的测量方法作了改进，通过实际测量的结果表明，该实验方法改进后，光速测量的精度有了很大提高。
提高电厂高纯水pH值测量准确度的研究
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