The auto reversing universal changeover switch substitute for the button, and one hole substitute for multi-hole.
自动复位万能转换开关取代按钮,一孔取代多孔。
In the lack of condition for the pressure test, it is not allowed to remove the lead sealing of the reversing valve to adjust the pressure regulating button.
在不具备压力试验条件时,不允许拆掉换向阀的铅封和调整调压弹簧座。
In the lack of condition for the pressure test, it is not allowed to remove the lead sealing of the reversing valve to adjust the pressure regulating button.
在不具备压力试验条件时,不允许拆掉换向阀的铅封和调整调压弹簧座。
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