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[". ["【펌 기술판 일일 문제】2",年月"0091月"8",春节 복리:공답 발표 전 보답 맞는 사람에게 보상 보상",],["["["65.펌프 일반적으로进出口措施采取:A"]],["[""6.春节 복리:答案公布前答对正确财富"]]

2020-01-08View Original

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67.多级压缩机一般要在()采取冷却措施。A、气缸与进出口B、气缸、级间与出口C、气缸、级间与入口 昨天一题答案:A 66.离心泵流量不大,产生原因(A)。A、泵内有空气B、联轴节不同心C、转子与泵壳摩擦 (次日公布前一天答案,公布前答对奖励10财富,公布后答对奖励5财富,参与奖励3财富)

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