比较国内外发动机防冻液的指标要求，确定采用SH0521—1999《汽车及轻负荷发动机用乙二醇型防冻液》标准。
This research is conducted the following works:1, Through comparing parameters of Chinese and foreign engine antifreeze fluids, SH0521-1999 specification is determined to adopt.
比较国内外发动机防冻液的指标要求，确定采用SH0521—1999《汽车及轻负荷发动机用乙二醇型防冻液》标准。
This research is conducted the following works:1, Through comparing parameters of Chinese and foreign engine antifreeze fluids, SH0521-1999 specification is determined to adopt.
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