工业用法兰式大口径高压双层炼钢专用吹氧管排水波纹管金属软管
¥56
11
¥11.8
0
¥23.8
¥16.8
¥14.8
900
¥8.8
3000
¥3.2
¥12.2
¥40.5
¥40
1
¥3.6
400