NB/T 47065.1  支座 BⅠ 80000SFRJsRF@6

BI 80000SFRJsRF@6

JWN 25×50-150 RF Sch40S

DN800-PN16 PL RF i

HG/T20592 PL50-16RF b=0 B=60.8

3 C3

DN900-PN16 PL RF i

WN 10"-150 RF Sch160

WN350-300RF SCH60689J@pl110RF00M20000S=3J577.5

HG/T20615 WN150-300rfh40=26 fJFRJsRF@RF.105J000-R@Sch40ampam