exhaust air duct

基本解释

The utility model relates to an exhaust duct that prevents head wind, especially to a movable air discharging door type one-way air exhaust device.
本实用新型涉及一种防逆风排风管，特别是涉及一种活动排风门式的单向排风装置。
ip.com
The invention discloses an exhaust air duct cleaning system, which comprises an exhaust air duct, a dust collecting device, and a collecting device.
本发明公开了一种排气风管清洁系统，该清洁系统包含排气风管、集尘装置以及收集装置。
ip.com
An exhaust duct comprises a hollow exhaust duct body, an air intake on the exhaust duct body, one or more than one backoff or projected brace table outside the exhaust duct body;
一种排气管道，包括中空的排气管道管体，排气管道管体上有进气口，其排气管道管体外部设有凹进或者凸出的一个或多个支撑台；
ip.com

Consider media accounts of how WD-40 was used to extract a python from a bus exhaust pipe or a burglar stuck in an air duct (yes, he was arrested).
FORBES: Greasy Coca-Cola
Consider the newspaper accounts of how WD-40 was used to extract a python from a bus exhaust pipe or a burglar stuck in an air duct (yes, he was arrested).
FORBES: Johnny One-note