2) casual inspection
不定期检查，临时检查
3) periodic inspection
定期检查
1.
Performing periodic inspection to improve the management level of hydropower stations in Xinjiang;
开展定期检查 提高新疆水电站大坝管理水平
2.
It introduces the constitution and function of TIG welding machine,relates the attention items about the equipment,preparation and operation of TIG welding machine,analyzes the relationship of welding current,diameter of nozzle and flow capacity of air current,and introduces the maintenance,periodic inspection and breakdown diagnosis method of TIG welding machine in detail.
简要介绍TIG焊机装置的构成及作用;讲述TIG焊机在设备、准备和操作时的注意事项;分析了焊接电流与喷嘴直径、气体流量的关系;详细介绍了TIG焊机设备的保养、定期检查、故障诊断方法等。
3.
A maintenance policy of combining periodic inspection and preventive replacement is suggested.
为了保证贮存系统的可用性,需要对其故障与否进行检测,针对该问题提出了包含定期检查和预先更换的维修策略。
4) periodical inspection
定期检查
1.
Carrying out periodical inspection necessarily to ensure dam safety;
切实做好定期检查 确保大坝安全
5) mandatory annual unscheduled inspection
不定期强制性年度检查
6) non-periodic checking method
不定期清查
补充资料：定期
①定下日期：～召开代表大会。②有一定期限的：～刊物ㄧ～检查ㄧ～存款。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条