YZG12-1接表阀接头YZG12-1 Vavle Connector to Meter

YZG12-2压力表组合接头YZG12-2 Manometer Combined Connector

YZG12-3压力表接头（A）YZG12-3 Manometer Connector A

YZG12-4压力表接头（B）YZG12-4 Manometer Connector B

YZG12-5压力表接头（C）YZG12-5 Manometer Connector C

压力表虹吸管接头