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【多选题】
下列成本差异中，通常不属于生产部门责任的有（）A.
变动制造费用效率差异
B.
直接人工工资率差异
C.
直接人工效率差异
D.
直接材料价格差异
E.
直接材料数量差异
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皮皮学刷刷变学霸
举一反三
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A.
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B.
刚刚起飞
C.
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D.
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【简答题】Apologize for any inconvenience caused during building operation．
【简答题】During any operation in hydraulic system, oil prefers the path ofA. least resistance B. maximum resistance C. both A. and B. D. none of the above
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