一段布,只做上衣,可做15件,只做裤子,可做10条,求这段布可做几套这样的衣服? 发布时间:2017-06-21 22:41 │ 来源:www.tikuol.com 题型:解答题 问题: 一段布,只做上衣,可做15件,只做裤子,可做10条,求这段布可做几套这样的衣服?
题型:解答题 补全对话,每空一词。A: I went 1 with my friends by car yesterday. B: That 2 interesting. A: When we came 3 , my car didn't work, and we 4 to walk home. B: When 5 you come home? A: At about 10:00 at night. 1._______2._______3._______4._______5._______ 查看答案
题型:解答题 某500kV变电站处于Ⅲ级污秽区(2.5cm/kV),请对变电站内电气设备的绝缘水平进行选择和计算。若主变内、外绝缘的全波额定雷电冲击耐压水平为1425kV,计算此主变的避雷器标称放电电流下的残压不得高于下列何值()?A.1295kVB.1187.5kVC.1096kVD.1018kV 查看答案