【建筑】锯齿屋顶（北面采光的屋顶）【电学】锯齿形屋顶（锯齿形屋顶）

initial peak sawtooth shock pulse【电子】

sawtooth wave

sawtooth generator【电子】;sawtooth wave generator【电子】

sawtooth roof

sawtooth roof (north-light roof)

sawtooth generator

sawtooth generator

sawtooth roof