不锈钢法兰球阀，Q41F-1.6P，Q41F-16P，Q41F-2.5P，Q41F-25P，Q41F-4.0P，Q41F-40P

2.8


4.4


7.0


11.0


2.2


5.6


11.2


1.5


2.8




气密试验


0

01/25 09:05