题型:填空题 用方框中单词填空。what're, where's , can, to, are 1. _____his bag?2. _____you bring the books to school73. _____these in English?4. Here_____some CDs in the drawer.5. Please take these things_____your father. 查看答案
题型:填空题 火电厂卸煤装置以及筒仓煤斗斗形的设计,应符合下列规定()A、斗壁光滑耐磨、交角呈圆角状,避免有凸出或凹陷B、壁面与水平面的交角不应小于600C、料口部位为等截面收缩或双曲线斗型D、按煤的流动性确定卸料口直径。必要时设置助流设施 查看答案