【单选题】建筑平面图中的定位轴线编号圆的直径通常为()。
【单选题】建筑图中标准的轴线编号,圆圈用( )绘制,直径为( ),字高通常为( )。
【判断题】油压调节器的回油通道堵塞,不一定会引起发动机热车运转不稳
【单选题】As time went by, they found their efforts to help students ________. [ ]
【判断题】没有起始符和终止符的一维条码信息是无效信息。
【简答题】A Science Fiction Story: The woman looked at a small (1)____unit on her arm. ‘It’s all right,’ she said to the man. ‘We can breathe the air ... it’s a mixture of oxygen and nitrogen.’ Both of them too...