what does the 6 mean in symbol of washer GB/T 97.1-2002 6
A.the length of the washer
B.major diameter of the washer
C.minor diameter of the washer
D.nominal diameter of the washer
正確答案：nominal diameter of the washer
題目：what does the 6 mean in symbol of washer GB/T 97.1-2002 6
關鍵字：智慧樹
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