沥青混合料按其组成结构可分为______。 A.悬浮—密实结构 B.骨架—空隙结构 发布时间:2019-05-25 03:43 │ 来源:www.tikuol.com 题型:多项选择题 问题: 沥青混合料按其组成结构可分为______。A.悬浮—密实结构 B.骨架—空隙结构C.悬浮—骨架结构 D.密实—骨架结构(嵌挤结构)
题型:多项选择题 If an emergency pump control is used as the emergency shutdown on a tank vessel,it must().A.stop the flow of oil at the main deck manifoldB.prevent the oil from leaving the shore facilityC.prevent the oil from siphoning through the pumpD.None of the above 查看答案