美标法兰截止阀的简单介绍手动:J41H-16,J41H-25,J41H-40,J41H/Y-64,J41H/Y-100,J41Y-160,J41Y-200 齿轮传动:J541H-16,J541H-25,J541H-40 J541H/Y-64,J541H/Y-100,J541Y-160,J541Y-200 电动:J941H-16,J941H-25,J941H-40,美标法兰截止阀的详细信息手动:J41H-16,J41H-25,J41H-40,J41H/Y-64, J41H/Y-100,J41Y-160,J41Y-200 齿轮传动:J541H-16,J541H-25,J541H-40 J541H/Y-64,J541H/Y-100,J541Y-160, J541Y-200 电动:J941H-16,J941H-25,J941H-40, J941H/Y-64,J941H/Y-100,J941Y-160, J941Y-200 |