demountable tube

例句：

1. 1.The demountable tubes are designed to be easily disassembled for maintenance.
   这些可拆卸的管状结构设计为便于维护时拆卸。
2. 2. The construction of the new bridge involved the use of demountable tubes to support its weight.
   新桥梁的建设使用了可拆卸管状结构来支撑其重量。
3. 3. The demountable tubes were used as a temporary solution until a permanent one could be installed.
   这些可拆卸管状结构被用作临时解决方案，直到安装了一个永久的解决方案。