Change lamp when lifetime expired. Replace expired lamp only with same type and rating.

当灯泡寿命终结时要予以更换。必须以同样型式和规格的灯泡进行更换。

youdao

Change lamp when lifetime expired. Replace expired lamp only with same type and rating.

当灯泡寿命终结时要予以更换。必须以同样型式和规格的灯泡进行更换。

youdao