HG/T 21574  吊耳 SP-20-10

SP-200-10FMS Sch40S0 RF3732s00M rfRFh80RF50 RF FF Ⅱ400-1.0/8

WN25-300RF-Sch406ะ ย ะฃยฉะ ะ†

B WN 700-150 RF S=10

DN1000-PN25 WN RF | S=10

WN40-16 RJ0RRF Sc50ГҜШҹВҪ

PL 10(B)-10 RF

WN 125-900 RJ150 rf65 Rmpampnbsp�S-116-R