【单选题】【消耗次数：1】
某地区为了掌握该地区水泥生产的质量情况，拟对占该地区水泥总产量80%的5个大型水泥厂的生产情况进行调查，这种调查方式是（）。
①
普查
②
典型调查
③
抽样调查
④
重点调查
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相关题目
【单选题】
某地区为了掌握该地区水泥生产的质量情况，拟对占该地区水泥总产量80%的5个大型水泥厂的生产情况进行调查，这种调查方式是
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