法兰 PL 80-10 RFb=1F S=18.2600 RF S=28.580(B)

pl80(a)-10rfb=1F S=18.2600 RF S=28.580(B)

pl65(b)-10rf hg/t21633

WN100-600FMS®B))-10

so15-150 rf æŽ

SO 400(B)-10 RF

wn150a-16rf s=73

DN 32×20-Ⅱ-4 RE

PL 15(B)-25 RF)-

so10b-40m25r4mmRF(/

PL20(B)-10 RF d=56 b=3

PL125-16RFB=12R

so150(a)-10rf