Inspect the closing of louver of funnel.

检测烟囱百叶窗的闭合性。

AROC Series aluminum louver with outside vent control.

AROC系列铝制百叶窗，设计用于外界通风控制。

Skylight, clearstory, dormant window, louver, Venetian blinds.

天窗，通风窗，老虎窗，百叶窗，软百叶窗。

Can you find it in the world - class museums, such as the Louver?

你能否在世界一流的博物馆，如卢浮宫中找着呢？

The fan induces air through the entire louver face of a crossflow tower.

诱导风机空气在整个百叶窗面对横流塔。