製氧機 Save Sign in to save words Simplified: 制氧机 zhìyǎngjī ㄓˋ ㄧㄤˇ ㄐㄧ oxygen concentrator Character by character 製(zhì)manufacture 氧(yǎng)oxygen 機(jī)surname Ji A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0