HG/T 20592  法兰盖 BL 32-16 RF005ะ-150@RF@

BL32-16RF005ะ-150@RF@

DN800-PN6 PL RF Ⅱ

SO 40-150 RF

WN 6"-150 RF Sch40S

SO 50-300 RF

WN66-40RF40m�oppf�5 RJ-1

WN15(B)-160RF

3 RF 600-1.6 δ0=20

BI 2600

SW 10-1500 GR=4 RF��@0B)-16 RFRFR�@6LT0409F-.5°FS10R@R4Sc2@RF@443RF@AFF@PFFt