AO68该油属高速光亮淬火油，适用于大量工作一起淬火。
AO68 the oil is of high speed bright quenching oil, quenching for large work together.
AO32该油属高速光亮淬火油，适用于大量工作一起淬火。
AO32 the oil is of high speed bright quenching oil, quenching for large work together.
AO32该油属高速光亮淬火油，适用于大量工作一起淬火。
AO32 the oil is of high speed bright quenching oil, quenching for large work together.
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