弯头 DN 40×20-Sch80S90ELR

DN 40×20-Sch80S 90ELR

WN50(B)-16 RF S=3.91.7F b=41005 BB=826 K=950 C=32 f1=3 d

PL400(B)-10 M-1650)-2/

A WN800-150 RF D=1060/

wn250-63rj¢ã¥â

HG/T20592PL125-25RF/u00c2/u00af/u00c3/u0083/

pl400(b)-10 ff b/

bl450-600fm0c3/u008e/

SO300(B)-10FM/34S=0