不銹鋼截止閥 銅制截止閥 鐵制截止閥 鋼制截止閥 10SPBAWF 10SPBF 10SPBOF 10SPBOWF 10SPDBF 10SPDBOF 10SPDBOWF 16SPB 16SPBO 20SDBOW 20SDLB 20SDLBO 20SYB 20SYBO 20SYBOW 150SPB 150SPDB 300SYB 300SYBO G-16SPBO 1 2