發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Effect of nanosecond and femtosecond pulse duration of laser processing of thin biodegradable polymeric film