短語(yǔ)詞組短語(yǔ)derived d demand 派生需求Derived factor demand 引伸性的要素需求Derived demand laws 引伸需求法則derived demand t 衍生需求the derived demand model 引致需求模型Derived sales order demand 導(dǎo)出的銷售訂單需求derived demand curve 引申需求曲線derived demand model 衍生需求模型 返回 derived demand