本发明提供一种结构：方向控制板安装在灯单元的排气口附近，且隔板安装成围绕排气口的前部和底部。
A direction control plate is fitted near an exhaust aperture of a lamp unit, and a partition plate is fitted so as to surround the front and the bottom of the exhaust aperture.
本发明提供一种结构：方向控制板安装在灯单元的排气口附近，且隔板安装成围绕排气口的前部和底部。
A direction control plate is fitted near an exhaust aperture of a lamp unit, and a partition plate is fitted so as to surround the front and the bottom of the exhaust aperture.
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