HG/T 20592  法兰 PL 40-16 FF b=6/ff c=2400 RF Sch40RF S=6MFM-5r)-300RF°

PL40(A)-16 FF b=6/ff c=2400 RF Sch40RF S=6MFM-5r)-300RF°

wn350-100trf Rb)-4050=241.5

BL 300-900 RF16 G=824 K=920 d=ÃF Sch600-4

47021 FM700-0.610700-10

3 G 1000-1.0 Оҙ0=10-1-M S=rfchFF56-ampampa0594R0 S=

B WN 1500-300 RF S=9.5325RF S=5(b)-12b1R

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