法兰 PL 450-10 RF d=

pl450-10 rf d=

WN10(A)-10RF/140rf-1

WN10(A)-25 RFF Rch80s. C=30 B=359.5 f1=

wn15-150 RF A=21.3 f1=2 H1=5165 D=90

DN 80×65-Sch10S RE

WN10(A)-25 FM 0(b)-40rfr0SB)-10R10/

WN450-300FM SCH40u00e/

PL250(B)-2.5RF=3 f1=2.5f hg/δ=722(B)-2.5RFS=690

so15