法兰 SO 100-10 M K= L= n= R= D=643 N=455 C= H= B=

so100-10m K= L= n= R= D=643 N=455 C= H= B=

WN 600-150 RF S=/

WN65(B)-25 RFF6rf h

47023 M 1200-1.6

WN 250-300 RF Sch400

PL 50(B)-16 RF

BL100-150 RF Sch4050-111f51=1s=50

SO 25b-25rfu0083/u060Sc D= RFRF b=5000frf s198a00-2f s

3 FM1900-1.05-

WN 450-1500