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发表于 2009-10-12 10:46:20
ASTM D 4857-2003 测定润滑油最大限度减轻二冲程循环汽油发...
D4857-03 Standard Test Method for Determination of the Ability of Lubricants to Minimize Ring Sticking and Piston Deposits in Two-Stroke-Cycle Gasoline Engines Other Than Outboards