发布时间:2025-01-30 08:52:05
【答案】:A
本题涉及的考点是材料损耗量的确定。材料的损耗一般以损耗率表示,损耗率=损耗量/净用量×100%,总消耗量=净用量+损耗量=净用量×(1+损耗率)。
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