tubular column

例句：

1. 1. The engineer designed a tubular column to support the structure.
   工程师设计了一个管状柱来支撑结构。
2. 2.The pipe was used to transport water from one end of the city to the other.
   这个管道被用来从城市的一端运输水到另一端。
3. 3. The conduit was made of metal and could withstand high pressure.
   这个导管由金属制成，能够承受高压。