法兰 PL 0(B)-6 RF.2 A3

PL0(B)-6 RF.2 A3

WN200-1500 RJ Sch120

BL250(b)-150RFf b=4 f

PL300-10 RF B1=360

wn25b-40 fm

wn350(b)-63 rj

wn400-300rf a=406.4 b=381fmF5

47021 C-RF400-1.0/32

HG/T20592-2009 WN250(B)-40 M

WN 50-16 RF S=5.6

BL500(a)-300 RF

so125-150RF Sch4010RFRF b=2