为设备等提供新部件的行动；改造。
retrofits — plural of retrofit
为设备等提供新部件的行动；改造。
为设备等提供新部件的行动；改造。
An act of supplying a device, structure, etc., with new components or parts that were not previously available or installed; a retrofitting.
通过引入新部件对设备等进行的改动。
A change made to a device, structure, etc., by introducing components or parts that were not previously available or installed.
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