目前，国内的投影仪生产厂家基本都是靠人工来完成投影仪的质量检测。

At present, the projector's quality is detected by manual basically in the domestic market.

youdao

目前，国内的投影仪生产厂家基本都是靠人工来完成投影仪的质量检测。

At present, the projector's quality is detected by manual basically in the domestic market.

youdao