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| || | ||   / _ \\      ___     / _ \\   \ \\/ // 
| '--' ||  | / \ ||    /   ||  | / \ ||   \   //  
| .--. ||  | \_/ ||   | [] ||  | \_/ ||   / . \\  
|_|| |_||   \___//     \__ ||   \___//   /_//\_\\ 
`-`  `-`    `---`       -|_||   `---`    `-`  --` 
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發送短信 : Piecewise linear behavior of RC beams with openings