ventilating fan

基本解釋

Electric Fan, Powerful fan, Ventilating Fan, etc. are our main products.
電風扇，強力風扇，換氣扇等，是我們主要的産品。
A ventilating fan, a lighting lamp, a diving circulating pump and an automatic thermostat are arranged in the box body. A bonding type thermometer is arranged on the box wall.
箱躰內(nèi)還設有排風扇、照明燈、潛水循環(huán)泵、自動恒溫器，箱壁上設有粘貼式溫度計。
ip.com
The paper introduces the working principle of which frequency control technology is applied in energy-saving reformation for ventilating fan. The frequency control system was designed in detail.
介紹了利用變頻調速技術對通風機進行節(jié)能改造工作原理及系統(tǒng)設計。