發送短信 : Mechanical property testing of 3D printed structures

 _    _    _    _     _____    __   __   ______   
| \  / || | || | ||  |__  //   \ \\/ // |      \\ 
|  \/  || | || | ||    / //     \ ` //  |  --  // 
| .  . || | \\_/ ||   / //__     | ||   |  --  \\ 
|_|\/|_||  \____//   /_____||    |_||   |______// 
`-`  `-`    `---`    `-----`     `-`'   `------`