NB/T 47065.1  支座 BⅠ 80000-25

支腿 BI80000-25

BL300(B)-16 RF

DN50-PN40 SO G Гў

WN 25(B)-16 RF

1 RF 900-1.0 δs=8

47021 FM800-0.25-48H4

WN 500(B)-16 RF

WN 250-150 RF S=STD

WN32(A)-40 T/0-s/@A4406

PJ/SE600(B)-10 RF3RF0 SOF61F6 RFhd=851æ—&61.6 خ´1=fsfs0 k=74060rf0-6 WN21