However , the noise spectrum of the ash exhauster always centers at low frequency range.排粉机噪声呈明显的低频特性.The utility model relates a linkage device of a cooking fume exhauster and a gas stove.一种燃气炉与抽油烟机的联动装置....

exhauster的音标：exhauster的英式发音音标为：[ɪg'zɒstɚ]exhauster的美式发音音标为：[ɪg'zɒstɚ]...

吸尘器，抽气装置，排气器，引风机...