It can effectively control the intensity of natural light, reducing room temperature, energy saving air-conditioning.

它可以有效调控自然光线的强度，降低室温，节约空调能耗。

youdao

It can effectively control the intensity of natural light, reducing room temperature, energy saving air-conditioning.

它可以有效调控自然光线的强度，降低室温，节约空调能耗。

youdao