GB/T 34580-2017运行涡轮机油中不溶有色物质的测定方法膜片比色法国家标准
英文:Standard test method for measurement of lubricant generated insoluble color bodies in in-service turbine oils—Membran...
英文:Standard test method for measurement of lubricant generated insoluble color bodies in in-service turbine oils—Membran...