NB/T 47023  法兰 FM 2200-4.0fm6h80cFjA0F D=8.0Rh0c3РЁРҲРӘТіРЁСһ/public/common/data/public/blue/watermark.png

SO 300-300 RF68.5

WN350-300RF sch40=N400RFRD=RF16 RF S=5.50SRF4

法兰 WN250-150RJ RF)-4200/

DN100×80-8.9 RCS=8 A(/ Sch40s762=4. f3=3 f5

WN 65(B)-16 G S=9

SO15(B)-40gS=5

WN50(B)-16 RF Dampampampm000--16RFc3/

bl200(b)-10rf b=4

B WN800-300 RF

pl80(B)