單項選擇題

紙箱、塑袋的規(guī)格按照設(shè)計數(shù)據(jù)測量,誤差紙箱嘜頭字跡清晰標(biāo)準(zhǔn),裝訂牢固塑袋用千分尺測量,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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