earth line

基本解釋

This is a earth line rather than a live line.
這一根是零線而不是火線。
Chinese manufactures are difficult to connect the 'heaven and earth line' with large buyers in America.
原因是信息不對稱，中國制造商難以和美國大型採購商搭通‘天地線’。
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.
儅故障停電後，該保護就存在絕緣恢複和定位睏難的問題。

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