操劳过度

• This machine has many advantages listed below : simple in structure , convenient in operation , compact , large amount to be treated , low in roise , corrosion resistant , low trouble , convenient in assembling and disassembling , no deed corner in cleaning , no dust and so on
  该机具有结构简单、操劳过度作方便、体积小、处理量大、噪音低、抗腐蚀、低故障、寿命长、生产率高、振幅可调、耗能低、拆装方便、清洗无死角、无粉尘等优点。