grounding fault line selection

• 接地选线

grounding fault line selection的用法和样例：

例句

1. This paper discusses the theory, shortcoming and advantage of various kinds of earthing selection, furthermores, compare the difference among them.
   摘要介绍了现有的各种单相接地选线方法的原理和优缺点，并简单地对各种单相接地选线方法进行了比较。