NB/T 47065.1  支座 BⅠ 10000RF RF0RF SF,S=3=3.632c4e00039

BI 10000RF RF0RF SF,S=3=3.632c4e00039

wn500-40 rf s=12-25RFF00/

BL 2"-150 RFn0SCH40/RF0RF05 f1=5

bi500-f sch40-1 Sch40972R1280SF b6 R2

TPB-1

DN 300-Ⅱ-3 90EL

DN 250×250×32-Sch10 TR

A WN100-300 RF0-16UT05921002-2=5)-1pamb6rfb1=1.00 Sch18M S

BI