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 / ____||  /_   _// | || | ||   / _ \\  | || | || 
/ //---`'   -| ||-  | '--' ||  / //\ \\ | '--' || 
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  `----`   `-----`  `-`  `-`  `-`   `-` `-`  `-`

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發送短信 : Crack initiation and propagation in molded gypsum specimens with pre-cracked single flaws