NB/T 47065.1  支座 A 12000

B/u00e2/u0085/u00a12000

DN150-PN10 PL FFI

bl 300-160m�

3406 so 25-150 rfrf

WN 200-10 RF Sch40S fu00cFS6.

PL 20(B)-16 RF.6FLP�

WN 15-300 RF,S=4.78

PL 1200(B)-2.5 RForum.h

BL100(b)-16RF2a/

WN 350-150 RF=566���7.5 RJHch&=7RF Sch80S��7.5