判断题
正确(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
A.10-12mm B.10-15mm C.12-15mm D.15-20mm
A.10-15mm B.20-25mm C.45-80mm D.50-80mm
A.45-75mm B.45-80mm C.50-75mm D.50-80mm
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