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下述有关理想桁架,说法错误的是A、 桁架的杆都是直的B、 桁架的重力略去不计C、 杆件用光滑的铰链连 下述有关理想桁架,说法错误的是A、 桁架的杆都是直的B、 桁架的重力略去不计C、 杆件用光滑的铰链连接D、 桁架所受力都作用在杆上 分类:管理英语3 题型:选择题 查看答案
选择一项:A. breaking traffic rulesB. speedingC. writin 选择一项:A. breaking traffic rulesB. speedingC. writing a ticketD. drunk drivingE. d 分类:管理英语3 题型:选择题 查看答案