采用正确可靠的接地系统，定期对电气设备进行检查维护可有效地防止安全事故的发生。

Selecting the correct grounding system, carries on the inspection maintenance regularly to the electrical equipment, may effective prevent has the security accident.

youdao

描述如何宣告式地、命令式地或直接地存取主体物件来实作安全性检查。

Describes how to implement security checks declaratively, imperatively, or by directly accessing a principal object.

youdao

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.

youdao