气压活塞专用密封件（可安装在一体沟槽中)单位：mmDdHD1GLBSPPY6632.25.52.62.5BSPPY8842.97.53.32.5BSPPY101062.99.53.32.5BSPPY121282.911.53.32.5BSPPY1515103.61442.5BSPPY1616113.61542.5BSPPY2020144.3194.73BSPPY2525175.3245.73BSPPY3232245.3315.73BSPPY4040306.53973)