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最佳答案:亲!你不采纳留在这也没用啊
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最佳答案:楼主无聊吧!搞这出来逗人!没想到.白痴还真多!
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最佳答案:You can call me J,a standard chinese.My hometown is shouguang,a beautiful city o
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最佳答案:1,just like what my application mentioned,2i have mentioned this problem in my a
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最佳答案:答案:0.008m3解析:水吸收的热量是:Q吸=c水m水△t ,m水=2kg=4200×2×(100-20)=672000JQ吸=Q放=vqv=672000/8