其中接受过轻型木结构住宅培训的工程及技术人员830名；

There are 830 site workers who have received light timber-framed structure construction training.

youdao

其中接受过轻型木结构住宅培训的工程及技术人员830名；

There are 830 site workers who have received light timber-framed structure construction training.

youdao