他们排气系统采用顶级的风扇，鼓风机和油烟净化器。

PKG exhaust systems feature top-of-the-line fans, blowers and fume scrubbers.

youdao

他们排气系统采用顶级的风扇，鼓风机和油烟净化器。

PKG exhaust systems feature top-of-the-line fans, blowers and fume scrubbers.

youdao