| 摘要 |
A control arrangement ( 10 ) comprises a first selectable controller ( 12 ) for controlling an action, and a second selectable controller ( 14 ) for controlling the action. The arrangement also includes a selector ( 22 ) for selecting one of the controllers ( 12, 14 ) to control the action. The arrangement ( 10 ) further includes a first heat exchanger ( 16 ) associated with the first controller ( 12 ) to effect a transfer of heat between the first controller ( 12 ) and the first heat exchanger ( 16 ). The arrangement also includes a second heat exchanger ( 18 ) associated with the second controller ( 14 ) to effect a transfer of heat between the second controller ( 14 ) and the second heat exchanger ( 18 ).
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