锅炉给粉机电机原采用滑差调速，存在故障率高、维修量大且调速性能差等问题。

There were higher failure rate, large maintenance and poor characteristics of speed governing due to using slip speed governing of motors for feed - ers of coal for boilers.

youdao

锅炉给粉机电机原采用滑差调速，存在故障率高、维修量大且调速性能差等问题。

There were higher failure rate, large maintenance and poor characteristics of speed governing due to using slip speed governing of motors for feed - ers of coal for boilers.

youdao