發送短信 : Preparation of lead zirconate-lead nickel niobate ceramics by the reaction sintering process

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