法兰 BL 500-6 FF=52 l1=252ff=8Scc

bl500-6ff=52 l1=252ff=8Scc

47023 fm1000-1.0645-165

BL100-900 Rf300 rf0-0.6)-16 RF=5J S500-

wn300-40Gch8084

wn200-600 ff/300/

wn80(b)-16 rf b1=50-300 RF/

wn100-150 rf sch40s150 RF

47021FM500-1. S=top/eke t/u0 RF=2.5F B=562 H=/

WN25-150RF,Sch80s.0rjR