一般电力机车齿轮传动比()。 A.<55 B.>5 C.=5 D.≤5 发布时间:2017-08-17 01:34 │ 来源:www.tikuol.com 题型:单项选择题 问题: 一般电力机车齿轮传动比()。A.<55B.>5C.=5D.≤5
题型:单项选择题 The project, ________ in 2009, has expanded the city’s cellphone network to cover one million users.A.accomplishedB.being accomplishedC.to be accomplishedD.having accomplished 查看答案