microminiature tube

例句：

1. 1.This microminiature tube is used to transport small objects.
   这种微型管用于运输小物品。
2. 2.The microminiature tube was the first of its kind to be developed.
   这种微型管是第一种被开发的。
3. 3. The microminiature tube was used in the construction of buildings.
   这种微型管用于建筑施工。