偏心异径管 DN 300×250-3RERFhg/t206156 RF€

DN 250×300-3 RERFhg/t206156 RF€

pl15(a)-2.5 rf.0M700-1.0/36S=6(B46/14M

WN100(B)-63RFHG/

WN 800-300 RF/

PL100(B)-10RFHG/(B)-16 RF S=8h406m68pl65-16r

so100-25ff¬Â¦Ã‚ 500f/@BL100-/

2 M 700-1.6 δ1=10

HG/T20592 BL65-40M/

20592WN40(B)-40M

SO20(