4114mm立柱的直径误差为()。A.±1.04mm B.±1.14mm C

考试题库2022-08-02  32

问题 4114mm立柱的直径误差为()。A.±1.04mmB.±1.14mmC.±1.24mmD.±1.34mm

选项 A.±1.04mm
B.±1.14mm
C.±1.24mm
D.±1.34mm

答案 B

解析 依据GB/T31439.1-2015P9根据表12看出Φ114mm的立柱直径误差为±1.14mm。Φ140mm的立柱直径误差为±1.40mm。
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