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2019-06-02View Original

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本帖最后由 wlf1234 于 2019-6-2 09:31 编辑 参与:奖1财富;回答正确:奖3财富。 https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif 单选题:润滑油选用时,主要应考虑润滑油的( )指标。 A、粘度 B、闪点 C、酸碱度 D、抗氧化性(安定性) 答案: A https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif 注:两天后答案自动公布。

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