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最佳答案:处理结果应该是:the results 或者是 the results of processing / the results of handling
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最佳答案:小题1:C小题2:A小题3:D小题4:D
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最佳答案:Dear Sir/Miss,We received your letter,the case in hand,we'll reply the details i
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最佳答案:解题思路:(1)由图可知滑轮组的有效股数,根据s=nh求出绳端移动的距离,再根据W=Fs求出总功,利用效率公式求出滑轮组的机械效率;(2)影响滑轮组机械效率高低
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最佳答案:Respected sirThis goods problems, we assume full responsibility.Your handling re