水轮发电机作调相运行时,机组振动()。 A.较小 B.较大 C.不变 发布时间:2020-11-22 15:35 │ 来源:www.tikuol.com 题型:单项选择题 问题: 水轮发电机作调相运行时,机组振动()。A.较小B.较大C.不变
题型:单项选择题 选择与句中划线部分意思相同或相近的选项。 The U.S. is south of Canada. [ ]A. Canada is north of the U.S. B. The U.S. is in the south of Canada.C. Canada is far from the U.S.D. Canada is east of the U.S. 查看答案