ASTM D7647-24
用稀释技术消除水的作用和用消光法干扰软颗粒的润滑液和液压液自动颗粒计数的标准试验方法
Standard Test Method for Automatic Particle Counting of Lubricating and Hydraulic Fluids Using Dilution Techniques to Eliminate the Contribution of Water and Interfering Soft Particles by Light Extinc