A.0.1~0.2mm B.0.5~1.0mm C.0.2~0.3mm D.1.0~1.2mm E.1.2~1.5mmB

昕玥2019-12-17  7

问题

选项 A.0.1~0.2mmB.0.5~1.0mmC.0.2~0.3mmD.1.0~1.2mmE.1.2~1.5mm

答案B

解析[img]/upload/tiku/91/5789712_1.jpg[/img]
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