HG/T 20592  法兰 SO 40-25 FM-1264 h=10500 RF12)‚ф120FFM.620020S m

so40-25fm-1264 h=10500 RF12)‚ф120FFM.620020S m

WN150-1500 RJ S=110H2010 RF S=5.6pampampa

SO 65(B)-16 RF5RF180 C=18 n=4 F=26

法兰WN25-300 rf SCH84h40h40 a=48 d=155s=24 S

支腿 A6�0=10δ0=1

BL500-10RFB)-25RF6 FF C=0 RF C=3�SEs0B)-16 RF-0.2RF