器械 qìxiè apparatus
apparatus; instrument; equipment; weapon
How to remember 器械: 器 device + 械 weapons = apparatus.
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How it is used
- Instruments / apparatus, esp. precision or specialized ones - 医疗器械 (yīliáo qìxiè) medical instruments; 健身器械 (jiànshēn qìxiè) exercise machines.
- Narrower and more technical than 器材 (qìcái); implies engineered instruments/machinery.