回复:国标:GB6060.1_表面粗糙度比较样块_铸造表面
终于在茫茫网海找到了它们4个,FPSf%ý+bbs.3c3t.como÷¶¦¥3T2
GB 6060.1,FPSf%ý+bbs.3c3t.como÷¶¦¥3T2
GB 6060.4,FPSf%ý+bbs.3c3t.como÷¶¦¥3T2
GB 6060.5,FPSf%ý+bbs.3c3t.como÷¶¦¥3T2
GB/T 11350,FPSf%ý+bbs.3c3t.como÷¶¦¥3T2
拜谢.....................,FPSf%ý+bbs.3c3t.como÷¶¦¥3T2