GB/T 12459  弯头 DN 50-Sch16090EL rf.6=/0-16rf0(B)-100615 wn350-

DN 50-Sch160 90EL rf.6=/0-16rf0(B)-100615 wn350-

WN 200-300 RF

WN 300-900 RJ2 SchF243 b1=M)-150(b)-16g s=5R

SP-5r4080-1 T50ampa00-4-40

LWN 100-600 RF Sch40 H=101

WN80B-25 RF

SO 125-150 RF B δ1= R= H=59

SW40(B)-16RF= b RF FMh80ELRS= S=6��0.6960