carbon current collector for trolley bus

例句：

1. 1. The carbon current collector iscrucial for the efficient operation of the electricvehicle.
   碳流收集器对于电动汽车的有效运行至关重要。
2. 2. The design of the carbon current collectorhas been optimized to improve energy efficiency.
   碳流收集器的设计与优化提高了能源效率。
3. 3. Thecarbon current collector plays a vital role inreducing emissions and promoting sustainable transportation.
   碳流收集器在减少排放和促进可持续交通方面发挥着重要作用。