發送短信 : BLENDS FROM BRANCHED POLYARYL ETHERS AND HYDROPHILIC POLYMERS

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