1寸304不锈钢波纹管DN25高压防爆螺纹管工程专用冷热水管金属软管
¥6
2万
¥4.7
1000
¥4.8
400
¥13.6
¥5.2
100
¥2.4
¥3
10000
¥8.6
3000
¥15
¥4
300
¥14.7
25
¥8.1