A.允許客戶隨時(shí)隨量進(jìn)行訂購 B.允許客戶對(duì)產(chǎn)品的某些配置和功能進(jìn)行調(diào)整 C.允許給客戶送貨上門 D.允許客戶在企業(yè)設(shè)計(jì)系統(tǒng)的引導(dǎo)下,自己設(shè)計(jì)出滿足需求的產(chǎn)品