NB/T 47065.1  支座 A 3165

2 A3165

SO 50-300 RF�

2 A1470

ABL 800-300 RF.4h8F L=3/4& sch

2 A848

BL20-600T00.614rpl450-1h402000f

DN25/PN16/01Brj/u00pampamp

PL 300(B)-16 RF4931

WN 150(B)-40 RF B=/16=4 SCF b1HG

PL32-25T1RF S001@-Rп dh105@P16RF6ch40Rf�4FS�/3RF.ffRF6/583MS兰