plunger elevator造句

例句与造句

1. This article has in detail analyzed technology request to the steel approach span plunger elevator in work , and proposed this kind of plunger elevator design calculation basis and an application example
   摘要详细地分析了钢引桥在提升过程中的技术要求，并在此基础上提出了此类提升机的设计计算依据和一个应用实例。
2. It's difficult to find plunger elevator in a sentence. 用plunger elevator造句挺难的