[". 【일일 문제 泵设备】빈칸형 문제

2019-04-27View Original

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0ord. 문제로 pérdida两点回答错给予积极参与+5财富，回答一错一对给予参与积极+5财富，回答全对给予奖励88财富。2

Reply #22019-04-27

回答奖励每人限一次。4.回答奖励每人限一次。每个回复限评分一人答案。回答奖励在48小时内有效，逾期不予奖励。学习拿奖奖励天天逛逛预测量一台转速为4.8r/min，中心高为3.mm的离心泵的振动结果答案必须明确其振动结果合格准则，《GB4.8泵的振动测量和评价方法》标准中此泵应符合标准中第（）项规定其振动级别结果按 B级执行其振动结果不应大于4.5mm/s。

Reply #32019-04-27

III类 4.5mm/s

Reply #42019-04-27

III类 4.5mm/s

Reply #52019-04-27

III类 4..1/s

Reply #62019-04-27

第三类；4..感谢楼主的题让我学习到了不少知识！

Reply #72019-04-27

III类? ???4..

Reply #82019-04-27

III类 4..

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