相关型号:BJ45H,BJ45W,BJ45Y,BJ45H-16C,BJ45W-16C,BJ45Y-16C等
保温夹套截止阀主要性能规范 Chief Property And Specification
保温夹套截止阀主要零件材料 Material for main parts
保温夹套截止阀主要外形尺寸和连接尺寸(mm) Main external and connecting dinensions(mm)
2.5
4.0
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