英语词汇national primary standard怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	national primary standard
释义	national primary standard 简明释义国家一级标准；国家原级标准网络释义 1 ?国家原级标准 ... 英国国家物理实验室；印度国家物理研究所 National Physical Laboratory (NPL) 国家原级标准 national primary standard 国家参考群 national reference group ... 短语 1 National Primary Drinking Water-Standard 国家主要饮用水标准 2 national primary kilogram standard 计量国家千克基准器 3 national primary ambient quality standard 国家一级环境空气技师标准双语例句 1 The national primary standard of combustion heat was completely improved. 对国家燃烧热基准进行了全面改造。 2 This paper will introduce the improvement of national primary standard for low pressure, middle pressure and high pressure, and the development of dynamic pressure calibration technology in China. 本文介绍了我国微压、中压和高压方面国家基准的改进和我国动态压力校淮技术的进展情况。 3 National primary energy production reached 1.34 billion tons of standard coal. 一级能源生产达到13.4亿吨标准煤。
随便看	balanced crank balanced crepe balanced crimp balanced cross section balanced crystal mixer balanced cup fruit grader balanced cure balanced current balanced current relay balanced current relaying balanced currents balanced current telemetry system balanced curves balanced cutting balance cylinder balanced data link balanced deflection balanced delay cable balanced demodulator balanced density slurry method balanced-density slurry technique balanceddensity slurry technique balanced density slurry technique balanced density solvent balanced design

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。