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["일일 문제,, 정답은 없지만 재미있게 참여해보세요",,"기계를 두 번 정렬한 후且垫脚()后方可进行第二次灌浆。A、满焊B、点焊C、打实 昨日问题答案:C",,"유동 에너지를 이용하여 액체를 운송하는 泵是()。A、容积泵B、叶片泵C、流体泵"

2019-11-25View Original

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22.机器二次找正后且垫铁()后,方可二次灌浆。?A、满焊B、点焊C、打实 昨天一题答案:C 21.依靠流体流动的能量来输送液体的泵是()。?A、容积泵B、叶片泵C、流体作用泵

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