from where 和 from which 辨析区分?

The air then passes to a compressor, where it is compressed, and from which it is delivered to the combustion chambers.

在and from which it is delivered to the combustion chambers. 为什么不是from where ? 用from which 和 from where究竟理解上有何不同?

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最佳答案 2020-11-27 11:03

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  • yxy39 提出于 2020-11-24 14:27