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["aily_task_ Catalytic_coking_reforminging_blending

2017-12-18View Original

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参与:奖5财富;回答正确:奖10财富;注:此贴有效时间48小时。 单选题:离心泵气缚时可能出现的现象是( )。A.泵入口压力低 B.泵出口压力高 C. 泵出口压力低 D. 泵入口压力高 答案: C 您的参与,就是对我们工作的最大的支持。送人玫瑰,手留余香。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。 “我的装置我的家“ 大型原创照片分享活动(第二期) https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1868167&extra=page%3D1 【一问一答】催化焦化重整油品调和版2017年汇总贴 https://bbs.hcbbs.com/thread-1826018-1-1.html 【每日一题】催化焦化重整油品调和版2017年汇总贴 https://bbs.hcbbs.com/thread-1811219-1-1.html
Reply #22017-12-18
单选题:离心泵气缚时可能出现的现象是( C )。 A.泵入口压力低 B.泵出口压力高 C. 泵出口压力低 D. 泵入口压力高

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