NB/T 47065.1  支座 A 22000-sRF60δs=51S1

A 22000-sRF60δs=51S1

WN25(B)-40RF S=4

WN50-300G6 RF Rata/co=4

PL200B)-25 FF

WN15(B)-160RF

SO 300(A)-16 RF Sch40Smpampampampampamp;ampampampampampampamp;quot

WN20(B)-16G50-1.F)-)-2F=ľՋ3/ G/T205

WN25-40 RF ,HG/SFTnc4

wn65-2500rfF8=2.pa0.

BL50