caisson gate造句

例句与造句

1. Further, in 1959, it manufactured the first Caisson gates for Haldia Dock Project, first time in India.
2. The pumps and engines in this room were used to drain the dry dock and move the dock's caisson gate.
3. When one caisson reaches the top position, it stops below the water level of the upper reach, and the control valve is closed; The upper reach and top caisson gates open, and water flows into the top caisson until the level equalizes.
4. It's difficult to find caisson gate in a sentence. 用caisson gate造句挺难的