配电系统中为了确保维护测试和检修人员的安全应有明显的断开装置。
To ensure maintenance in the distribution system, an evident breaking device should be set for the safety of testing and repair personnel.
在进行住宅维护和建筑工作时，记得穿戴安全鞋、手套、眼部和头部的防护装置以及其它的个人防护装置。
Remember to wear safety shoes, gloves, eye protection, hearing protection and other PPE when doing home maintenance and building projects.
石化企业中设备腐蚀问题不仅造成设备更新维护费用的增加，同时严重威胁着装置的安全运行。
The facilities corrosion problems in the petrochemical enterprises not only make the cost of replacing and maintaining facilities increased, but also threaten safe operation of thingamy severely.
按既定程序维护火灾报警装置和灭火器，确保其满足安全条件，万一遭遇紧急情况可随时使用。
Working with established procedures, Maintenance Technician maintains the fire precaution system and extinguishers, ensures they meet all safety codes and are ready for use in case of an emergency.
安装并维护锁具以及相关的安全装置和系统。
Installs and maintains locks and related security devices and systems.
对本装置进行操作、维护、检修等的一切活动均需按GB4962《氢气使用安全技术规程》的规定执行。
All work such as operation, maintenance, and repairing etc. must be conducted according to the provisions of GB4962 Hydrogen Using Safety Technology.
实验证明，PLC在真空预冷实验装置中安全可靠、经济实用、操作维护方便、自动化程度高，可满足试验要求。
Experimental result shows that PLC can meet the test requirements because it is safe, reliable, economical, convenient for operation, easy for maintenance and has a high degree of automation.
本文主要分析了电气系统的接地方法，接地装置的检查和维护，安全接地以及有关的注意事项等。
Directing towards lightning protection, issues for grounding device design and installation that should be noticed are discussed.
本文主要分析了电气系统的接地方法，接地装置的检查和维护，安全接地以及有关的注意事项等。
Directing towards lightning protection, issues for grounding device design and installation that should be noticed are discussed.
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