HG/T 21574  吊耳 HP-70

HP-7002ffFMSch80b wnefH=380RF-R

WN100(B)-16RF

WN 25(a)-40 RF S=3

SO1/2"-150 RF

WN200(B)-600RFampampamp

WN100(B)-100RF R

WN 20(a)-40 RF S=3

WN100(B)-40RF

WN6"-300RF SCH120-R@rf3-SCH80@FRF@F S22R50 RF S=STD0M/u00c2 tRF25.5

WN 15(a)-40 RF S=3�