ASTM D4858测定润滑油对改进二冲程循环汽油发动机预燃倾向的标准试验方法
日期:2012-02-07 17:27
in two-stroke-cycle spark-ignition gasoline engines which are prone to preignition.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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