法兰 RF 1300-0.6�=36 RF A1

NB/T47021 RF1300-0.6�=36 RF A1

IF50-16 RF B=52 H=/

PL200(A)-10 RF b=2 d=266H-1.23 rf

LWN25-900 RF Sch405 RF

BL125-6 RF 25厚/EQ/

弯头 SF316L-DN80-Sch40S 90EL=02

WN40-900 Rj Sch40

SO15-600RFD δ=60

SO350-900 RFS=6B)-

BL15-150RF40 RF 17h40S0