文丘里管和喷嘴是催化燃烧热水器的关键组分，实验中对二者进行了优化。

We optimized the other two important components of the catalytic water heater, the venturi pipe and nozzle.

youdao

文丘里管和喷嘴是催化燃烧热水器的关键组分，实验中对二者进行了优化。

We optimized the other two important components of the catalytic water heater, the venturi pipe and nozzle.

youdao