弯头 DN 50-Ⅱ-3.545EL0.616j s=8:25 T10.ch80r30-h80r m s=568-

DN 50-Ⅱ-3.5 45EL0.616j s=8:25 T10.ch80r30-h80r m s=568-

1 rf1200-0.25 δ=33

wn 300-25 rf s6Se0ch10/

BWN 600-150 RF Sch40SS=

ã¦â³â€¢ã¥â€¦â°lwn150-300 rf b=146

WN150-16RFS

WN 40(A)-25M S=3.5

SO80-16 RFomf-1.

WN 100-150 RF S=16/