規格D
Фmm
Ф1 mm
S mm
1/2�
26.5
18
2.5
3/4�
35
25
3.0
1�
43
32
3.3
1�5�
56
45
3.5
2�
71
58
4.0
3�
99
85
4.7
4�
131
113
5.6
7�
196
180
7.0
9�
250
230
7.5