内丝四通BSPT铸造管件扣150LB水暖扣304316牙通螺纹天佑管业903
¥44.2
33
¥80
0
¥97
¥79
¥27.2
12
¥56.4
16
¥53.6
4
¥51
10
¥40
¥4
¥1