Improved the CNC machine tool maintenance quality, and reduce to breakdown the occurrence rate, and increase the diagnosis efficiency, and CNC machine's use efficiency.
提高数控机床维修的质量，减少故障发生率，提高诊断效率，充分发挥数控机床的使用效率。
2
Requirement: Male, below 30, Bachelor Degree of electrical major, minimum 5 years working experience of electrical machine maintenance and heavy equipment maintenance and break-downmaintenance.
要求：男性，30岁以下，电气专业学士学位，至少5年电气设备维修，重型设备维护及日常维护工作经验。
3
The efficiency of a parallel connection double-pump irrigation System is not only related to the break - down and recovery frequency but also to the operation and maintenance fashion of the System.