HG/T 21574  吊耳 SP-15

SP-1520-

BI 115210-1

BL 500-16 fF

2 A2208

bl125-25RF rj@0F HG

BI 2071

BII 27373

BⅡ131F-R0M2FF@0 BL RF@0-F29220SF@RF0�F-1

BL 100(B)-16 RF0-@4Fl.5 R

DN800-PN6 PL RF Ⅱ500 G Sch16M1/50RFedF5@FRh0.60ffg64.400R32020RFs19=/6 RF Rrf5t SCHre=6FScFF4 S80