电动高温调节阀 GWZDLP-16-DN25,GWZDLP-25-DN32,GWZDLP-40-DN40,GWZDLP-64-DN50,


2.0


1.8


1.5


1.4


1.0


0,7


0.6


0.5


0.3


0.28




笼

01/24 17:24