单项选择题
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
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