During repairs regulation can be obtained by manual regulation of the by-pass valve.
During repairs regulation can be obtained by manual regulation of the by-pass valve.
在维修期间，调节控制可以通过旁路阀的手动调节实现。
During repairs regulation can be obtained by manual regulation of the by-pass valve.
在维修期间，调节控制可以通过旁路阀的手动调节实现。