發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Initiation of ductile fracture in mixed-mode I and II aluminum alloy specimens