【摘要】 论述研制轻质石油产品电导率仪检定系统的必要性,介绍各级检定标准装置的原理和检定方法。更多还原

【Abstract】 The necessity of developing the examining system of the conductivity meter for the petroleum products with light weight is discussed and the principle of the examining standard device and the examining methods at all levels are introduced.更多还原