斗轮堆取料机回转装置驱动采用交流变频电机带动()。
A.圆柱齿轮减速机
B.立式行星减速机
C.行星针轮减速机
D.以上三者均不是
参考答案:B
根据句意及首字母提示完成单词。
小题1:Tom and I are good__________.(朋友)
小题2:__________(她) is a nice girl.
小题3:Mike and Jack are __________.(兄弟)
小题4:There is a__________(电脑)in my room .
小题5:My father and mother are my p_____.
小题6:Let’s play volleyball.It is i_____.
小题7:Mike’s backpack is u_______ the table.
小题8:Mary is my aunt’s daughter.She is my c__________.
小题9:My teacher is Mike Smith.His f_____ name is Smith.
小题10:I often w_____ basketball game with my father.
男性,56岁。无痛性血尿3天。超声检查:膀胱三角区 * * 状隆起性病灶3cm×2cm,基底部较宽,不随体位移动。最可能的诊断是()。
A.膀胱结石
B.膀胱内血凝块
C.血管瘤
D.膀胱癌
E.膀胱内异物