弯头 DN 30-Sch80S90ES5/88-200=616n=h=j.5 A

DN 30-Sch80S 90ES5/88-200=616n=h=j.5 A

wn200(b)-63fm s=1001 RF S=4

pl125(b)-10rf b=3

21520PL500(B)-10RF00e6/u00b3/u/ rf25)-10fF

HG-T20592 WN80-16TG-63 FMFM

47023 fm 1200-1.0/RF19h80sc112-225 H=法兰 WN200-300 RF B=18

pl600(b)-6 ff c=30 bb=6=4 C=419.