發送短信 : Optimum ejector system design for plastic injection mould

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