internal orifice of aqueduct of vestibule

例句：

1. 1.The aqueduct carries water from the mountain to the city.
   这条输水管道将山里的水输送到城市。
2. 2. The construction of the aqueduct was completed in 2015.
   这条输水管道的建设于2015年完成。
3. 3.The aqueduct is an essential part of our water supply system.
   这条输水管道是我们供水系统的重要组成部分。