问题
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is a category assigned to products or services having the same fimctional use but diff
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Why have there been difficulties with the machinery for the new product?A.It has been nece
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There is ______ the fact that the new method has greatly raised labor productivity.A.not d
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The two products _____ the same category.A: fall offB: fall downC: fall intoD: fall ove
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A company makes two products using the same type of materials and skilled workers. The fol
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A company makes two products using the same type of materials and skilled workers. The fol