HG/T 20592  法兰 PL 100(B)-25 RF S=4

法兰PL100(B)-25 RF S=4

WN 20"-150 RF Sch40S

2 CFM 2800-0.25 δ1=8

BL 450(B)-6 RF-292r RF Ⅱ

wn200-300 rfmpampam00

SW 3/4"-300 RF

PL 65(B)-10 RF

LWN 80-900 RJ B=42.5 H=270-1e0.5 RJ R1cBch40S0SS5 RJ0300 RFR RF

WN100B-63M

BL 80-40 RF5-R@W11