HG/T 21574  吊耳 SP-17-144

SP-172-144-1.6-0.0 R S=40SF5 M

wn10(b)-16t s00-3pam/300

wn80-300rjHFmpamppam/0-12f)RFrf)

SO 1/2"-150 RF

PL 50(B)-16 RFF0pl2565 &amәвҖң=70 h=1650150R

47021 C-FM1000-0.6 δ=52=2,s=6lS167/@47/=5

法兰 LWN50-150 RF Sch20s H=188F80F

2 RF 500-1.