oblong ejector

例句：

1. 1.The oblong ejector is designed to quickly dispense liquids from one end to the other.
   长形喷射器设计用来从一端快速向另一端分配液体。
2. 2.The oblong ejector was used in the construction of the new bridge.
   长形喷射器在新桥的建设中使用。
3. 3.The oblong ejector has become a popular tool for cleaning hard-to-reach surfaces.
   长形喷射器已成为清理难以到达表面的一种受欢迎的工具。