NB/T 47065.4  支座 B4R5-(a

4 B4048R5-(a

c bl500(b)-6 rf=5361f)-S5FHG5

BL50-25 RF617 b=2-1.5S.9

BL600-10 GBC

WN 40(B)-40 M

WN 500-150RF HG

2 A8672

LWN 25-150 RF Sch80s H=

2 A8480 FMch/@40PFRFuhtm๏�2@RF@443rfrC92-2009(B)

DN125-PN16 WN RF II 1200-1.0;amp;16 RFu)0=10-2.5 RF C5