NB/T 47065.1  支座 A 1001=385f0-1.0

47021 a1001=385f0-1.0

BL25-900 rjҝв0CH RFr50-1.0rLM Scmff/@

2 FF 2600-1.620δ1=1

3cm800-2.5B-25Rsch40s-2Sc80f2.5FRF

PL400(B)- 16 RF=760)25RFSCFsch40-1

WN100(B)-40 RF= 1件0wn350-

3 RF 1100-1.6 δ0=8r

wn100-300 rf1002hgcad论

47023fm1500-1.6/1005