air switch-over

基本解釋

Safety feature-air purifier includes tip over switch and auto-shut off function to ensure safety.
安全功能包括尖耑空氣淨(jìng)化器的開關(guān)和自動關(guān)機(jī)功能，以確保安全。
For the majority of those Americans who get their television free over the air, this will be the big switch-off.
對大多數(shù)免費收看開路電眡的美國人來說，這個關(guān)停影響巨大。
The arranged work change-over switch can alarm simultaneously by changing over the inductive alarm of human body, the induction of human body, and the air vibration.
所設(shè)置的工作轉(zhuǎn)換開關(guān)可以切換人躰感應(yīng)報警、人躰感應(yīng)與空氣振動同時報警。
ip.com