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2019-06-07View Original

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Reply #22019-06-07
"일일 문제 泵设备" 채점 및 관리 규칙:16.7.7
Reply #32019-06-07
1제시한 답변이 모두 틀렸있습니다. 积极参与奖励财富;;答案이가 모두 틀때도 틱때도 奖励财富;每人限一次奖励;4、每个回复限一次评分;5、回复答案可见答案及解释;5、回复奖励在4小时内有效。 奖励天天拿奖,;
Reply #42019-06-07
"当离心泵扬程为 厘米答案时,,绝对压力为 厘4MPa,则表压为( )";
Reply #52019-06-07
"电机启动时间越长,启动电流越低。)";
Reply #62019-06-07
答案::;
Reply #72019-06-07
"正确。";

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