伞齿轮刀型闸阀，PZ543H-25C,PZ543H-0.6P,PZ543H-1.0P,PZ543H-1.6P,PZ543H-2.5P

碳钢、不锈钢




不锈钢




橡胶、四氟、不锈钢、硬质合金

12/27 01:20