单选题

纸箱、塑袋的规格按照设计数据测量,误差纸箱唛头字迹清晰标准,装订牢固塑袋用千分尺测量,平均厚度不少于(),而且要打孔

A±1cm,0.038mm

B-1cm,0.038mm

C±2cm,0.038mm

D+2cm,0.038mm

正确答案

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答案解析