HG/T 20592  法兰 PL 50(B)-40 RF K=

PL 50(B)-40 RF K=

SO3/4"-150 RF SCH30

SO65-1500 RF/B)-6 RFrf50δ=52/)-1s=24=36/fcfM/

SO 200-25RFS=5.16RFS=8M

SO350(B)-40FF/6 RF1S=10r S=60=9004

SO 32-150 RFS=80-16 rf s=3.5�020/1s=3 f1pampampampamp

wn50b-40m200-600CH

PL200(A)-25RFRцRF=3 b1=09