NB/T 47065.2  支腿 a3°12ch)-6h1/350

47065.2a3°12ch)-6h1/350

WN50(a)-63RFf¯Â/

wn50b-63rfs=5.5

WN100-150 RF0h40Bam592)0(a)-

wn600(b)-16rf s=10

wn50-300 rf s=3.6

wn100(a)-16 rf s5

47021 FM350-1.01-1/e50(

wn25(b)-16 rf 8片 304

WN32(a)-16Mthg20615BB0 RF Sch80300 RFf60400(b)-0@b40-bch