| 摘要 |
A plurality of thin welded sheets (102) of an apparatus (100) in an example comprises a plurality of weld lines (304) that defines a plurality of fluid boundaries of a fluid pathway (305) of the plurality of thin welded sheets (102). In a further example, a plurality of thin sheets (102) is welded to form a plurality of weld lines (304) that defines a plurality of fluid boundaries of a fluid pathway (305) of the plurality of thin sheets (102).
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