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  ____      _____    _    _      ___      _____   
 |  _ \\   |  ___|| | || | ||   / _ \\   |__  //  
 | |_| ||  | ||__   | || | ||  / //\ \\    / //   
 | .  //   | ||__   | \\_/ || |  ___  ||  / //__  
 |_|\_\\   |_____||  \____//  |_||  |_|| /_____|| 
 `-` --`   `-----`    `---`   `-`   `-`  `-----`

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發送短信 : Pneumatic transport of granular materials through a 90° bend