题目内容
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[单选题]
用10mm淬火钢球作压头测定布氏硬度,载荷为9806.65N,载荷保持时间为30s,所测定硬度值为120,则测试结果应该写作()
A.HB101000/30/120
B.120HBS10/30/1000
C.120HBS10/1000/30
D.120HBS100/30/10
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A.HB101000/30/120
B.120HBS10/30/1000
C.120HBS10/1000/30
D.120HBS100/30/10