法兰 PL 400-10 FF c=30 l=33 n=20 d=675 k=60

pl400-10 ff c=30 l=33 n=20 d=675 k=60

WN250-150 RF2/

wn40-10rf s=4=1

WN20-2500RJ S/

法兰WN300-600RF Sch806=03ae7a6cb391

PL150(B)-16 RF=12.7F RF00-1.0

so100-16rf b1/

wn50(b)-40 mm.06f0-GF006

SO100-150 RF A/

B WN700-150 RF B5 A=7;ampampaw/'9.165 �