HG/T 21574  吊耳 SP-85

bâ…&nbsp850-f/@WN100-15RF D=127

bl40(a)-300rf=3F25/6 /u0

bii1000085/u006MRFSch401�В°Рpampamp

WN20(A)-63 MFMSch80RF SCH40s0 RF./60-1200-1F63

c-rc pl450(b)-10 rf00-F600-ch

PL 25(B)-16 RF δ1=1

WN 200-150 RF SCH20 SCH1

1 RF 1000-1.020δs

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