【单选题】【消耗次数:1】
通孔直径为( )。<img src=https://huaweicloudobs.ahjxjy.cn/D213948ED3EEAD57C2EEEED994A465AD.png title=图片12.png alt=图片12.png style=width: 386px; height: 281px; width=386 height=281/>
25
30
70
65
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