“坳”的拼音

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他知道的乡下问题可多咧. 于是他说到地名“栗坳”的新闻.Finding this stranger congenial, he volunteered all sorts of information about the countryside.临邑洼陷是济阳坳陷惠民凹陷的次级负向构造单元.Linyi sag is a subsidiary negative structure element in Jiyang depression....