HG/T 20592  法兰 PJ/SE 0(B)-6 RF400-150RF B=7235 n=4 L=146

PJ/SE0(B)-6 RF400-150RF B=7235 n=4 L=146

SW1"-1500 RJ Sch40S4S=5�f1=5pam

WN350B-16 RF S=7.

PL200(A)-10 FM40(a)-16rfM,S=645E

bi1800-s b1=220/)-4/43 d

WN50-2500Rjsch80/ampnS10 R a=1010050 Rch40250050(b)-10rf=1347Fb=50h4

WN200(B)-25 RF B=203

SW