Requirement: Male, below 30, Bachelor Degree of Mechanics major, minimum 5 years working experience of mechanical machine maintenance and heavy equipment maintenance and break-down maintenance.
要求：男性，30岁以下，机械专业学士学位，至少5年机械设备维修和重型设备维护，及日常设备维护相关工作经验。
Requirement: Male, below 30, Bachelor Degree of electrical major, minimum 5 years working experience of electrical machine maintenance and heavy equipment maintenance and break-down maintenance.
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。
Improved the CNC machine tool maintenance quality, and reduce to break down 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。
Technique maintenance; Control to break down; System maintenance.
技术维护；掌握故障；系统维护。
The blast ring and charging hopper of a cupola was modified. As a result, the break down rate and maintenance cost was obviously decreased, and the melting process became more smooth.
对冲天炉风圈、加料漏斗的技术改进，使冲天炉的故障率明显降低，维修费也大大下降，很好地保证了熔炼工序的顺利进行。
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.
双泵并联灌溉系统的有效度不仅与机组故障率和修复率有关，而且与系统的运行方式及维修方式有关。
The valve's simple design means there are no moving mechanical parts to break down or jam, reducing maintenance costs.
设计简单，没有可移动部件，不易破裂、堵塞，节省维护成本。
The valve's simple design means there are no moving mechanical parts to break down or jam, reducing maintenance costs.
设计简单，没有可移动部件，不易破裂、堵塞，节省维护成本。
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