elevator system

• 升运系统

elevator system的用法和样例：

例句

1. The government spent huge amounts of money on the mass rapid transit system.
   政府为大众捷运系统花下钜资。
2. Clean production in oil storage and transport system of petrochemistry were discussed.
   介绍石油化工储运系统推行清洁生产的情况。