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[" ежеде́не вопрос на день » катализаторная регена́ция и

2017-01-21View Original

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本帖最后由 103388716 于 2017-1-21 01:10 编辑 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3财富;回答正确:奖8财富;注:当天的题,当天回答得满回馈,隔天回答奖3-5财富,此贴有效时间48小时。 http://bbs.hcbbs.com/static/image/hrline/4.gif 选择题(重整版块):泵的压力表一般安装在泵的( )。 A:入口    B:泵体   C:出口 正解:C 石化区---节能新想法之“脑洞大开”活动 http://bbs.hcbbs.com/thread-1666758-1-1.html小米手机等你拿 《石油化工专区》征集化工技术资料汇总帖 http://bbs.hcbbs.com/thread-1654603-1-1.html 奖品多多等你拿
Reply #22017-01-21
泵的压力表一般安装在泵的( C )。 A:入口    B:泵体   C:出口

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