三通球阀,Q44F-4.0C，Q44F-40C，Q44F-4.0P，Q44F-40P，Q44F-1.6P
3.8
6.0
3.2
2.4


密封试验
1.8
2.8
4.4
2.2
1.5


气密试验
0.5-0.7

01/24 05:39