GB/T 12459  弯头 DN 25-Ⅱ-Sch10S90E3D�

DN 25-Ⅱ-Sch10S 90E3D�

WN40-600RF

5 M 1900-1.6 δ0=16

PL 125(B)-10 RF

SO 6"-150 RF

JWN 50×80-150 RF Sch10S

3 B1

PL650-16RFRJ SCH4

3 RF 1800-1.6 δ0=12

3 FM 1300-1.6 δ0=650(b)-16 rf00RJd1FF= fB=3.500rmpampampampampampamRJ S=20@4�o@40(40RF-