兑水 发表于 2009-10-20 10:23:30

ASTM D 5931-1996 用数字密度计对发动机冷冻剂的浓缩和水般...

D5931-96(2002) Standard Test Method for Density and Relative Density of Engine Coolant Concentrates and Aqueous Engine Coolants by Digital Density Meter
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