A.order B.to order C.to ordering D.ordering
A.性能B.技術(shù)C.特點(diǎn)D.都不對(duì)
A.改變銷(xiāo)售觀念B.轉(zhuǎn)型升級(jí)C.提供傳統(tǒng)服務(wù)