heavy current line

例句：

1. 1. The heavy current line is acritical component of the power grid.
   重载电流线路是电力网的关键组成部分。
2. 2. The heavycurrent line carries a large amount of electricity.
   重载电流线路输送大量的电能。
3. 3. The heavycurrent line needs to be regularly inspectedto prevent potential hazards.
   重载电流线路需要定期检查，以防止潜在的危险。