HG/T 20592  法兰 PL 200-6 FFc=3f/F Sch S=6b=3 aa=06F/50 RF/F L/1.6/5rf

PL200(A)-6FFc=3f/F Sch S=6b=3 aa=06F/50 RF/F L/1.6/5rf

PL 150-16 RF60 RF592-=70-

BL25-2500 RJ S=6b=3 aa=06F/50 RF/F L/1.6/5rf

3 FM 500-1.0 δ0=600-150 RF/fmB RFF50 RF

47023 T1100-4.0RFfm6Ѓ

wn 50-150 rf00-1 Sch

47023 fm 400-1.0 δ0=12

2 CM 1700