NB/T 47065.1  支座 BⅡ 3000040FB)-1 DN1 HG50 RF S=

BII3000040FB)-1 DN1 HG50 RF S=

WN100-300 RF Sch40 t=900-7 TR

WN 20-150RFm.5/.5FFšÃF-25rf

WN 65(B)-25 RF0592rf scF

A21000/bO80(B)-16R500150 RF S5(B)-150 RFm-300R81/b)Sch40S6129

wn600-300 fm a=5

wn350a-300 rf5R 50Asarf5FM¤5 C6FpF1.0 R-265Sch40.

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