ygs67 发表于 2017-12-14 19:18:24

ASTM D6681-16

ASTM D6681-16 Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1P T

admin 发表于 2017-12-15 17:49:28

谢谢您的分享，金币已奖励!
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