苏式闸阀 Z40H-16C,Z41H-16C,Z40Y-16C,Z41Y-16C,Z40H-25C,Z40H-40C,Z40H-64C,

水、油品、蒸气、酸性介质




2.5


3.8


2.8




4.0


6.0


4.4

01/23 05:15