tube culture

例句：

1. 1. Tube culture is a method of growing microorganisms in a confined space.
   管状培养是一种在受限空间内生长微生物的方法。
2. 2.In tube culture, the bacteria are grown in a glass tube filled with nutrient solution.
   在管状培养中，细菌生长在充满营养溶液的玻璃管中。
3. 3. Tube culture has been used to study the growth of bacteria and other microorganisms.
   管状培养已被用于研究细菌和其他微生物的生长。