發送短信

數:

提供者:

CAPTCHA:

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

Please enter what you see:

發送短信 : Highly permeable polyethersulfone hollow fiber gas separation membranes prepared using water as non-solvent additive