The potable water system is used to store and deliver fresh drinking water 饮用水系统用于储存和输 送新鲜饮用水
A.the function of the portable water system is to store and send drinking water to the passenger B.The potable water system must keep and transfer the water to the toilet for washing only C.The purpose of the drinking water system is to store and deliver the water for drinking正确答案A
