气动噪声 Traditional 氣動噪聲 qì dòng zào shēng 🔊 aerodynamic noise + Keep this word Meanings qì dòng zào shēng 氣動噪聲 aerodynamic noise Its characters 气qìgas; airHSK 4动dòngto moveHSK 2噪zàoto chirp声shēngsoundHSK 3