HG/T 20592  法兰 WN 50(B)-100 M S=5

WN50(B)-100 M S=5

lwn200-25rfRF RF

BL100(B)-25 Tsc

TPB-6=60.625F265-16hu0f-1.02600-1.6/1.6/7B=207F

47021 -rf 650-0.61RF S=S H=200SC rf300-150r

WN 500(B)-10 RF S=48ch6rf5469/pa32-45

SO100B)-25M/','/',

1 CRF 500-1.0 δs=8

DN 800×800×700-Sch60 TR

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