氧气/乙炔 高压钢丝气管 100kg EOEO RUBBER HOSE 1-6(1/4")-30MPa GBIT2550-2016 工作压力 DHSTEEL WIRE B呢 300kg RE BRAIOED RUBBER HOSE 1-6(1/4)-30MPa GBIT2550-205 6 DH STEEL WR 爆破压力 WRE BRAIDED RUBBER HOSE 1-6(1/4)-30MPa GB DH STEE上MRE BRAIDED S租 0EO RUBBER HOSE 1-6(1/4")-30MPa GBIT2550-2016 Pa GB/T2 DH SE DHSTEEL WIRE BRAIE -3DMPa REBRA(OEO RUBBER HOSE 1-6(1/4)-30MPa GBIT2550-2015 巡6 DH STEEL WRP WRE BRAIOED RUBBER HOSE 1-601/4)-30MPa GB 钢丝夹层 8150.2016 DH STEE STEEL WIRE BRAIDED RUBBER HOSE 1-611/4)-30MPa GBT 防爆耐压 68T2550-2016 DHS© OK STEEL WIRE BRAIDED RUBBER HOSE 1-61/4")-3DMPa8 执行标准： GB/T2550-2016