breakdown maintenance

基本解释

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。
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。