earth line

基本解释

This is a earth line rather than a live line.
这一根是零线而不是火线。
Chinese manufactures are difficult to connect the 'heaven and earth line' with large buyers in America.
原因是信息不对称，中国制造商难以和美国大型采购商搭通‘天地线’。
bbs.translators.com.cn
After the earth line is selected out and tripped, the insulation at earth point may be recovered, and the fault location can be difficult.
当故障停电后，该保护就存在绝缘恢复和定位困难的问题。

One line is the equator. It is an imaginary line around the widest part of the Earth.

When vetting companies for our portfolios, our seven-member investment committees look closely at their eco-credentials: hunting for positives (such as recycling programs, clean energy initiatives, an earth-friendly product line) and screening for negatives (toxic emissions, hazardous waste liabilities, harmful community impact).
FORBES: Brent Kessel
The earthquake happened along a line where the Earth's Indo-Australian and Eurasian tectonic plates grind together, in the waters west of Sumatra.
ECONOMIST: Deluged without warning The