单项选择题
钩螺栓均应安装()的铁垫圈及6~10mm厚的胶垫圈。
A.80mm*80mm*5mm
B.80mm*80mm*8mm
C.110mm*110mm*5mm
D.110mm*110mm*8mm
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单项选择题
A.80mm*80mm*5mm
B.80mm*80mm*8mm
C.110mm*110mm*5mm
D.110mm*110mm*8mm
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