GB/T 12459  异径三通 DN 750×750×400-Sch60TR

DN 400×400×750-Sch60 TR

WN80B-16 RF S=3.5

WN 500(B)-16 RF

DN300-PN10 PL RF Ⅱ

BL10-25Gt.6/45-10B=1IF=r

wn50-300rfs=6=306/4 hampampamp

WN 100-900 FM Sch60 RF S´273 1000s=106f s=5c120c

WN 80(B)-40 M S=S

wn65-25rf scFF

B BL900-150 RFDN=ht(B)-08 S