美标法兰理论重量表--------(ASME-B16.5)VIP

美标法兰理论重量表(ASMEB16.5)KG压力规格带颈螺纹承插松套盲板对焊150LB1/20.450.450.910.450.910.913/40.680.680.910.680.910.9110.910.9...