long-time cycle

• 长周期

long-time cycle的用法和样例：

例句

1. By technical renovation the pump is able to run smoothly for a long period of time.
   通过技术改造，使液氨输送泵能够长周期平稳运行。
2. The measures and methods of long cycle benign use of continuous casting crystallizer are elaborated in this article.
   阐述了实现结晶器长周期良性使用的措施及方法。