n.聯(lián)產(chǎn)品存儲(chǔ)模型 multi-echelon inventory model: 多階層庫(kù)存模型by product inventory: 庫(kù)存副產(chǎn)品by-product inventory: 庫(kù)存副產(chǎn)品inventory model: 庫(kù)存模型product model: 乘積模型下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯