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2017-05-03View Original

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为提升本版块的人气,特开每日一题活动,活动宗旨:"每天学*一点点,十天进步一大点"。希望大家积极参与,在学*与进步中,还可以把财富轻松带回家:) 。 参与:奖5财富;回答正确:奖10财富;注:当天的题,当天回答得满回馈,隔天回答奖5-8财富,此贴有效时间48小时。 http://bbs.hcbbs.com/static/image/hrline/5.gif 选择题(油品版块):汽油产品的( ),说明汽油对金属腐蚀的能力。 A:博士试验 B:辛烷值 C:腐蚀性 D:干点 正解: C:腐蚀性 http://bbs.hcbbs.com/hcdown/data/attachment/forum/201704/07/122423adihsdie34h3gsgd.jpg.thumb.jpg======================== 石化区---节能新想法之“脑洞大开”活动(赞助商招募中 史上最强收益) http://bbs.hcbbs.com/thread-1666758-1-1.html 活动赞助商招募中、有意向联系活动负责人 石化深加工版——分享化工设备图片活动开始啦!海量财富还有海川币等你来拿 http://bbs.hcbbs.com/thread-1760733-1-1.html 《石油化工专区》关于征集化工技术资料的通知 http://bbs.hcbbs.com/thread-1614796-1-1.html
Reply #22017-05-03
汽油产品的( C ),说明汽油对金属腐蚀的能力。 A:博士试验 B:辛烷值 C:腐蚀性 D:干点

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