發送短信 : Effect of die geometry on foaming behaviors of high-melt-strength polypropylene with CO<inf>2</inf>

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