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内容来自iPhone手机客户端
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内容来自Android手机客户端
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海珠-阿勇:各称十次,取均值,应该误差很小了 (2018-04-24 21:43)
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knightyxl:那么初中物理题来了:a秤挂着b秤挂着车,那么a、b各显示多少? (2018-04-24 22:13)
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酷贝,凯丰都不能信,要信就威衡的