The tigers recently photographed in Harbin should return to their regular weight during the summer months.
最近被拍照的这些哈尔滨的东北虎将会在夏季恢复常规体重。
Regular weight asphalt shingles generally have an economic life span of 16-20 years;
普通重量的沥青瓦通常的使用年限为16-20年；
Regular weight asphalt shingles generally have an economic life span of 16-20 years;
普通重量的沥青瓦通常的使用年限为16-20年；
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