NB/T 47065.1  支座 A 12000-5M2rf1b/Rsmpampamp

a 12000-5M2rf1b/Rsmpampamp

WN 40(B)-40 FM215 H1=20RFS

BL50-900FM506RF(B0ShRF5 RJcM�m2 BL RF-25F�а№Җ�

A WN 34"-150 RF B=844

20623B1/.25s=7

WN 300(B)-10 FM S=5.5

WN 200(B)-10 FM S=5.5

LWN 250-300 RFh40=&48/@b wnFM RJ Sch140 Sch4

WN 80(B)