GB/T 12459  异径三通 DN 40×40×40-Sch10STRmp

DN 40×40×40-Sch10S TRmp

WN 500(B)-16 RF

SO 80-300 RF

BI 1600

B BL 700-150 RF

PL 200(B)-16 M

WN 2"-300 RF Sch40S

支座 B2F0@RFervأ¯F6nal_source=chatt

PL 20(B)-16 RF

PL500(B)-6 RFAf1=2.0 Sc5 b=34000 RJ Sch40 ذch40RFM0&a/ML100(B)-16chLM016p@