【简答题】The customs of afternoon tea in Britain was originated with 7th Duchess of Bedford and intended to______.
【单选题】During the First World War, Britain was allied with ______.
D.
Germany and Austria-Hungary
【单选题】当原投影图轮廓线与重合断面图轮廓线重合时,投影图的轮廓线仍应完整画出。当物体轮廓线为细实线时,重合断面图轮廓线( )。
【判断题】弯曲V形零件时,凸、凹模间隙是靠调整压力机的闭合高度来控制的。不需要在设计、制造模具时确定。( )
【简答题】Britain is a country with a history of invasions. In 43 AD Britain was invaded by the ____.
【单选题】Great Britain was with the United States in both World War.
【单选题】在弯曲V形件时,凸、凹模之间地间隙是靠调整()来控制地。
【简答题】In 55 B. C. , Britain was invaded by______, the Roman conqueror. Along with the invasion came the______into Britain.
【单选题】对绞电缆终接时,每对对绞线应保持扭绞状态,扭绞松开长度对于5类电缆不应大于( )。