红外灯经久耐用，连续工作可达2万小时的寿命。

Infrared light durable, Up to 20,000 hours continuous working life.

youdao

红外灯经久耐用，连续工作可达2万小时的寿命。

Infrared light durable, Up to 20,000 hours continuous working life.

youdao