電解水制氫設(shè)備 oxygen producing canister: 生氧罐oxygen producing machine: 制氧機oxygen producing truck: 制氧車oxygen equipment: 氧氣呼吸器; 氧氣設(shè)備complete equipment for producing rosin: 松香生產(chǎn)成套設(shè)備下載手機詞典可隨時隨地查詞查翻譯