HG/T 21574  吊耳 SP-69

SP-6983jh6 R

SO 500(B)-16 RF

WN500(B)-25 RF

WN 50-150 RF Sch40S

3-RF1000-1.0 δ0=12

wn50-160rf d=278/6F/T20592

3 B287753-25M S=455�JsRF@RF7F05.5 RJ 2150 RF�1@RF8@Fmpam0pF0F-r

BL 50(B)-100 RF

DN25-PN16 WN RF Ⅱ S=3

BI 18000RF B=19000 RF40S��R