Inspect the closing of louver of funnel .

检测烟囱百叶窗的闭合性。

Did you get to visit the louver when you were in paris ?

你在巴黎时有机会参观卢浮宫吗？

100 Series aluminium louver sliding door .

100系列铝合金百叶推拉门。

The fan control can be found in the control area behind the lower louver of the fireplace .

风机的控制器位于壁炉低位百叶窗下方的控制区。

A preliminary study of installing iron louver at the opening of building to reduce the radiation a.

建筑物开口部装置铁制百叶抑制火灾辐射延烧之初探。