生产定制金属变径环缩径环扩径环
9
24
50


G3/4-G1/2
G3/4
G1/2
7.5
10
10
25


G1-G3/4
G1
G3/4
8
11.5
39
25


G11/4-G1
G11/4
G1
9
12.5
50
10


G1-1/2-G11/4
G11/2