heat exchanger tubes

例句：

1. 1. Theheat exchanger tubes are crucial formaintaining the temperature of the fluid.
   换热器管对于保持流体的温度至关重要。
2. 2. Theengineers carefully inspectedeach heat exchanger tube toensure they were in good condition.
   工程师们仔细检查了每根换热器管，确保它们处于良好状态。
3. 3. The newdesign uses thinner, stronger heat exchanger tubes to improve efficiency.
   新设计使用了更薄、更强的换热器管，以提高效率。