|
缺損面積Area of defects,, A (%)
|
表觀等級判定Appearance rating
|
|
0(沒有缺損No defects))
|
10
|
|
0＜A≤0.1
|
9
|
|
0.1＜A≤0.25
|
8
|
|
0.25＜A≤0.5
|
7
|
|
0.5＜A≤1.0
|
6
|
|
1.0＜A≤2.5
|
5
|
|
2.5＜A≤5.0
|
4
|
|
5.0＜A≤10
|
3
|
|
10＜A≤25
|
2
|
|
25＜A≤50
|
1
|
|
50＜A
|
0
|
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