ASTM D7416-09(2020)
使用特殊的五部分(介电介电常数、带开关磁场的时间分辨介电常数、激光粒子计数器、显微碎片分析和轨道粘度计)综合测试仪分析在用润滑剂的标准实施规程
Standard Practice for Analysis of In-Service Lubricants Using a Particular Five-Part (Dielectric Permittivity, Time-Resolved Dielectric Permittivity with Switching Magnetic Fields, Laser Particle Coun