空气开关 Traditional 空氣開關 kōng qì kāi guān 🔊 circuit breaker + Keep this word Meanings kōng qì kāi guān 空氣開關 circuit breaker Its characters 空kōngemptyHSK 4气qìgas; airHSK 4开kāito open; to turn on; to driveHSK 1关guānmountain passHSK 3