HG/T 20592  法兰 PL 32-16 RF RF2009)-25 FM S=6F S=4

PL32A)-16RF RF2009)-25 FM S=6F S=4

wn50(B)-300rf D=1

wn50-900 rj sch16pampampampam8RF S/1500 RF Sch40= Sc��6/41)

WN300-10 RF S=8cF B=1050F-600RJc106 R

SO80-16FF°1B b¯-600rA00S1 Ra-25rf=243 C

SO 200-25 RF/G5wn26�amrum

pl65(b)-16 rf d=