螺旋千斤顶又称()千斤顶。 A.气压式 B.液压式 C.丝杆式 D.螺纹式 发布时间:2019-03-15 21:12 │ 来源:www.tikuol.com 题型:单项选择题 问题: 螺旋千斤顶又称()千斤顶。A.气压式B.液压式C.丝杆式D.螺纹式
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题型:单项选择题 Why did the early settlers come to America? Who were the Pilgrims? Who were the Puritans? What were the features in the colonial period which had influence on later American development? 查看答案