發送短信 : Mathematical description of pressure drop profile for the 1-valve and 2-valve bed collapse experiment

 _____     _    _    _    _    _    _             
|  __ \\  | || | || | || | || | || | ||     ___   
| |  \ || | || | || | || | || | || | ||    /   || 
| |__/ || | \\_/ || | \\_/ || | \\_/ ||   | [] || 
|_____//   \____//   \____//   \____//     \__ || 
 -----`     `---`     `---`     `---`       -|_|| 
                                             `-`