central-line load

例句：

1. 1. The central line load is the most critical part of the system.
   中心线负荷是系统中最关键部分。
2. 2.The engineers are responsible for monitoring and maintaining the central line load.
   工程师们负责监测和维护中心线负荷。
3. 3. The central line load is a measure of how much energy is being transmitted through the power grid.
   中心线负荷是衡量通过电力网传输能量的指标。