HG/T 20592  法兰 PL 125(B)-16 FF1.)-15 R

PL125b-16ff1.)-15 R

WN50-300 FM0 RJ.1600 Rl

WN14"-600 RF Sch40Smpampquo

bl150-16 rf -s22053/@80s

BL600-300RFn20-300

SO 200(A)-16 RFRF Sch40

BL150(A)-16RFampampm

pl300b-6rf160-90-

SO 4"-150 RF B=91

SO 300-150 RF00b) wn600(b2p550)-15u00FM500