NB/T 47065.1  支座 A 2547

47065.4 A2547

WN40(B)-16 RF B=14F@443RF@AFF

SO 10-900 RFFfS0-1mpa

SW 200(B)-25 RF

LJ 2 1/2"-150 FF

WN 40-300 RF SCH40S

WN 350(A)-10 RF S=4

PL 500(B)-6 RFRFRFB)-10 RF S=8h12FS16 δ=36h40F@RFch60@RF@4 Rch44900RJh46G5 RJ RF Sch40FcS=8443RF@7p3hF@P2