NB/T 47065.1  支座 BⅠ 200000-

BⅠ 200000-

WN25B-25RF S/

PL50(B)-16RFHG

WN50(A)-40 Mb-

WN 80(B)-300 Mg

WN 1/2"-150 RF SC

bl80-160 rf hS

1 RF 450-0.6

WN40-1500RF355 BBh1F/6/h80

WN 12"-150 RF Sch60R6/RFh16 RF0l1 20095F55S10�05¢â�RF S=5/ RFcS5 RMR-10tM00rf schF≥2