气动开关 Traditional 氣動開關 qì dòng kāi guān 🔊 pneumatic switch + Review this word Meanings qì dòng kāi guān 氣動開關 pneumatic switch Its characters 气qìgas; airHSK 4动dòngto moveHSK 2开kāito open; to turn on; to driveHSK 1关guānmountain passHSK 3