NB/T 47065.1  支座 BⅡ 33008fm s=4m

BII 33008fm s=4m

SO 400-600 RF B=38

PL100-10RFHG05-f rf= RfF Sc4505FBbb

WN 150-150 RF SCH120rf s120h8

PL250 -40 RFSC/t

WN 200-300 RF H1=≥7 L=1” S=1

PL32(A)-16 RF b=3 d=78 &;amp;amp;amp;amp;amp;am

WN 25(A)-40 RF S=4 A=34

WN100-300 RFF SCH40FF3..55