NB/T 47065.1  支座 BⅡ 31175

BII 31175

LJ 10"-150 RJ

SO 3"-150 RF

WN 250-300RF B=245

2 m500-4.0s=17.52.

LJ 24"-300 FF Sch10S

2A3u00b3/015FF24A=1

2 A4776

3 C3-I00-1c

bl300-16RF6.420δ�´=40)-16 RFS=sRFnu0(b)-MFLFR504h40Rpampampampamp;1m3Sc c=55 f1=30@4725-33 b=3