弯头 DN 25-390ESRFj4050-4.0 δ=60

DN 25-3 90ESRFj4050-4.0 δ=60

pl65(a)-6 rf

Wn65(B)-16 RF1=600 rf255.4m

PL500b-10M34.5 b=2400-1.0S=4.Fc)15-

WN50-25 RF B R

20615 WN250-600 RF

LWN25-150 RF Sch40scFF g SCH40=12

SO200(B)-150 RF B=240/

pl400b-16 rfSch120.S=5M080s3 rf s=5

47023 fm500-4.