法兰 PL 100-25 RFF(B)h40F125.555 S=5.525 RF C=35 S=≥5.52.

PL100-25RFF(B)h40F125.555 S=5.525 RF C=35 S=≥5.52.

WN 200-150 RF SCH20c/

wn150-300 rfé�„粈涔å&nbspÿ/

BL100-150RFH=165 DN=1000-f

bl250(B)-6RF

wn100-150 rf sch40 d=510/

BL100-16 FF D=655(B)-RF592-21/

WN 200-150 RF SCH20c

470