HG/T 21574  吊耳 SP-77

SP-77691600 FFF5 RF@6

WN 200(B)-16 rf15/61f8-120100°

5 FF 550-2.520ط

5 FF 900-1.020δ0

bl450-900 t2-2009 pl150(b)-1

WN 20-900 RF

5 M2400-1.6

wn200-900 rf sch1/-s0

bi 78616ot

ASME B16.5-2009 WN100-150RF wn450WN402.0أ¯آ¼.5rf&F°wn80-15 S= r rf