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["일일 문제, 맞아도 상품은 없습니다. 즐거움이 중요합니다."","4. 칼슘 기 기름은 (?????) 성질을 가지고 있습니다.A?A. té열내내성??B. 수분저항성??C. 열방출성? 어제의 문제 정답은 A. 주지기와 지지함의 조인 기준은 (?.A?).A. 기축제?B. 기공제?C. 표준외"

2019-11-04View Original

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4.钙基润滑脂具有(?????)性能。?A、耐热??B、抗水??C、散热? 昨天一题正确答案是A, .滚动轴承外圈与轴承箱的配合基准应是(?A?)。?A、基轴制??B、基孔制??C、非标制

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