同心异径管 DN 200×100-Ⅱ-Sch40RC/

DN 200×100-Ⅱ-Sch40 RC/

WN20-160 Tl250(a)

WN65-25 MF

WN200B-16 RF HG/T2059216 RF S=3/

WN65-16 M2.5RFF5

BL 100-25 RF=42 H=F/

WN40-300RF S=416RF0rj-1.0 RF5Mh80 S=7.11500-0.25/F0ffB-10 rfRF S=

PL150(B)-16 rF2/cF S=165-16R

NB/T47065.4 A568-16 R

WN100-3