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/ //---`' | || | ||  `____ `    -| ||-     /   || 
\ \\___   | \\_/ ||  /___//     _| ||_    | [] || 
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  `----`    `---`    /_//      `-----`      -|_|| 
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發送短信 : "Aerator Performance in Reducing Phenomenon of Cavitation in Supercritical Flow in Steep Channel Bed."