| 摘要 |
An exemplary heat exchanger, suitable for use in exhaust gas recirculation to cool exhaust gas, includes a cover plate having a plurality of openings, an upper plate having a plurality of openings, a lower plate having a plurality of openings and a bottom plate where seals exist between various plates to form at least one gas flow space and at least one liquid flow space. Various other exemplary heat exchanger configurations are also disclosed.
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