单项选择题
A.Hn/6;柱长边尺寸、Hn/6、600 B.Hn/3;柱短边尺寸、Hn/6、600 C.Hn/3;柱短边尺寸、Hn/6、500 D.Hn/3;柱长边尺寸、Hn/6、500
A.≤15mm;±25mm B.≤15mm,±20mm C.≤25mm;±20mm D.≤20mm,±15mm
A.4,-5mm;4,-5mm B.4,-5mm;8,-5mm C.8,-5mm;4,-5mm D.8,-5mm;8,-5mm