GB/T 12459  等径三通 DN 500-5.5TSâm800-2.5/1800-2.5.06

DN 500-5.5 TSâm800-2.5/1800-2.5.06

WN 150(B)-63 FM-.0-4

PL700(A)-16 RF/

WN 150-25 FFRF95

SO15(B)-40T00-

BWN900-150 RF件6/40-

wn25(b)-40RF2/f d Sch2FFRm

SO200-25M-1.sch5166

NB/T47023 M1200-1.6

WN 25(B)-16 RF S=3rf80F3mJ/RJ20=9G.f s=1/N1 bb=824 k=¢h