支座 BⅠ 2300000 RF2.50S Sch40 S=2

BI2300000 RF2.50S Sch40 S=2

PL150A-16RF rf50 RF RF3/

SO200-25G.0rf6

HG/T20592-2009PL50-10RF0-0.620=18n=8

wn 125(b)-16rf-0-6F350(B)-62cFsS=3.5 S=3f

200593 WN150-40G50-150

PL 50(B)-25 RF)--2.5/15 M S=80-2.5/6ch40S3

so400(a)-16g=/6

1 CRF 450-0.60RF8n=/)