外壳：采用优质热镀锌钢板制成，具有优良的耐大气腐蚀性能，进风口和出风口外形尺寸相同，可与风管直接相连，以便于安装。

Housing: Galvanize steel sheet material could be able to bear corrosive. Same size for the inlet and outlet can install conveniently. Connecting to the piping directly makes for installation.

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进风口和出风口外形尺寸相同，以便于安装。

Same size for the inlet and outlet can install conveniently.

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初级通道网和各种尺寸的次级通道网相联接，次级通道分送空气到各个房间的出风口。

This network of primary channels is connected to a series of secondary channels of various sizes which distribute air to the outlets located in the rooms.

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