保养与维修 meaning in Chinese

Installation , operation , maintenance and repair shall only be performed by authorized , trained , competent personnel
译:安装,操作,保养与维修将被经审核培训有能力胜任的人员执行
The main emphasis in the 4 - 5 years after the war was on the rehabilitation of the distribution system , repair works and maintenance works
供水系统的整固、保养与维修，一直是战后四、五年间重建的重点。
Nowadays , in the process of airplane maintenance , when airplanes are towed to move on the parking apron or in the garage , they are often on the hazard of bumping with the garage wall or other barriers at the dangerous points ( such as head , wings or tail ) because of their bulkiness . but the maintainers have to avoid these accidents by eyes
目前,在飞机保养与维修过程中,由于飞机体积庞大,飞机在停机坪上或机库中被拖拽做地面移动时,机翼、机头、机尾等危险点,经常有可能与机库墙壁或其他障碍物碰撞,而维修人员只能靠目测来防止此类事故的发生。