HG/T 21574  吊耳 HP-1

HP-1=1049F5 RF)6

APB-70-t0Rpampampa53 RF S

wn200-150 rf sch7am4.5/

LWN50-900 RJ0-1500J SCH160-4

WN 80-300 RF SCH80 RF5300RF H=3

BL450-16RF Φ640 &=40

PL100(B)-25 RF-1.6 fmhg

LWN 25-300 RF Sch8=12=410 L=18 BF B/

HP-1=1049F5 RF)6RFSch40/0S92-80/@-R50A0