With the widely use of high power upper transport draper-type moving rail, the backstop is also widely used.In some backstop,the more widely used is the NYD type contact backstop.

 
  • 随着大功率的上运带式输送机的广泛应用,逆止器也得到了广泛应用,其中NYD型接触式逆止器应用较多。
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