17楼: Originally posted by
superceng at 2016-12-05 01:56:39
k值对应分子量啊…K12 10.2-13.8 3000-7000
K15 12.75-17.25 8000-12000
K17 15.3-18.36 10000-16000
K25 22.5-27.0 30000-40000
K30 27.0-32.4 45000-58000
K60 54.0-64.8 270000-400000
K90 81.0-97.2 1000000-15 ...