资讯动态
抽样方案_阀门标准
|
批量数
|
样本大小
|
接收数Ac
|
拒收数Re
|
|
≤50
|
2
|
0
|
1
|
|
＞50～100
|
3
|
||
|
＞100～500
|
5
|
1
|
2
|
|
＞500
|
8
|
2
|
3
|
网站名称
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