NB/T 47065.1  支座 A 20001b=5 d.6/H4 Rm´10T2RF S=66800-150.5M50fm@

A 20001b=5 d.6/H4 Rm´10T2RF S=66800-150.5M50fm@

DN40/PN40/11 B=44

WN 450-600 RF S=5c

PL 250(B)-25 RF

SO 40-150 RF6

2 FM 800-0.620δ1

WN65A-16T/F SCHl6 RFRFG/T2059282.5FM 504.

3 FM 377-1.6A=be1a2060 RF Sc

bl100-16rf

PL150-16 FF0��50-25r38rj0MB)0