耳式支座 B2=3970æ°Â

NB/T47065.3 B261=3970æ°Â

支腿 A6-H-8s/@b

pl32-10rf hg/t20592-2009 4件c=13-0.6.

1 RF 650-1.0 δs=5

wn80-300 fm s=8

bl100(b)-6 ff5-132sR°wn1

PL25(B)-16 TFF A=406 B=387 D=597.

3fm350-45 RF.htmlrj(B)-63

pl125a)-25rf/f sch4050(B)53 RF S/4&;amp;