可行情况下，使用反光镜和高效散射灯；这些都将减少所需要的灯具数量。

Ensurelight reflectors and high efficiency diffusers are used where feasible; these can result in reducing the number of lights needed.

youdao

可行情况下，使用反光镜和高效散射灯；这些都将减少所需要的灯具数量。

Ensurelight reflectors and high efficiency diffusers are used where feasible; these can result in reducing the number of lights needed.

youdao