We are far from such a world today,but IS already is thinking more rigorously about what it allows into its mix of systems. 目前，我們離這個(gè)世界尚遠，但信息系統部門(mén)已在積極地考慮允許什么東西可以并入其混合系統。
Its Admixture Systems business unit specifically helps customers in the ready-mix, precast, manufactured concrete and underground construction industries. 旗下的外加劑系統部門(mén)在摻水即用型預制混凝土及地下建筑等領(lǐng)域對客戶(hù)幫助猶大。
