Offset transition ing or reducing duct. Type of transition can be specified.

偏移过渡或渐缩管道。可指定过渡类型。

youdao

Offset transition ing or reducing duct.

过渡或渐缩管道。

youdao

Offset transition ing or reducing duct.

偏移过渡或渐缩管道。

youdao

Offset transition ing or reducing duct.

偏移过渡或渐缩管道。

youdao