d
k12
|
l+20
|
L+20
|
莫氏圆锥号
|
16
|
25
32
|
110
117
|
2
|
20
|
32
40
|
117
125
142
|
2
|
3
|
|||
25
|
40
50
|
142
152
|
3
|
32
|
40
50
|
165
175
|
4
|
40
|
50
63
|
181
194
|
4
|
50
|
63
|
194
|
4
|
80
|
238
|
5
|
|
63
|
63
|
221
|
5
|
100
|
258
|