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[". ["일일 문제 泵设备] 선택 문제"

2018-12-08View Original

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bk09.jpg选择题规则:1、每题答案错误,积极参与奖励2财富; 2、答案正确奖励6财富;3、回答奖励每人限一次;4、每个回复限管理评分一次;5、回复后可见答案及答案解释;6、奖励在48小时内有效。 学*又拿奖,天天来逛逛 当离心泵采用( )时,会使泵流量减少,而泵轴功率却是增加的 (单选) A 变频变速调节 B 出口阀门调节 C 回流旁通管调节 D 切割叶轮外径调节 答案:C
Reply #22018-12-08
本帖最后由 kareale88 于 2018-12-8 09:35 编辑 A专业性太强了
Reply #32018-12-08
本帖最后由 3983596_FPPZ 于 2018-12-8 10:17 编辑 前几天都是送分题,回复正确率80%+,搞得大家信心爆棚,所以今天上个硬菜,降降温:lol 每天早上,我是各版的每日一题都搜索答下,结果是死伤惨重,隔行隔山,尤其是遇到问答填空题,直接跳过不解释,动设备出的题我至今一次都没回答过;P
Reply #42018-12-08
同感 明日我出个 全区的每日一题调研哈
Reply #52018-12-08
超版,你作弊,评完分,再自己回答;P

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