同义词
1)NLGI National Lubricating Grease Institute (USA),美国润滑脂学会2)NLGI grade,美国润滑脂学会等级3)NLGI number (=National Lubricating Grease Institure number),美国润滑脂学会值4)National Lubricating Grease Institute,全国润滑脂学会5)National Lubricating Grease Institute,(美国)国家润滑脂协会6)NIGI number,全国润滑脂学会润滑脂分类号<能>
