| 摘要 |
A heat exchanger for an internal combustion engine includes a first conduit, a second conduit positioned outside of the first conduit, a third conduit positioned inside of the first conduit, a first annular passage formed between the first and second conduits, and a second annular passage formed between the first and third conduits. Heat exchange is performed between a first fluid flowing through the first annular passage and the inside of the third conduit and a second fluid flowing through the second annular passage.
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