【简答题】精加工如下图所示零件外轮廓,采用 12立铣刀加工,刀具位置如图所示。
【简答题】The soldiers marched along, ____their arms.
【单选题】I saw the soldiers ________ along the road.
【简答题】精加工如图所示轴对称零件外轮廓,刀具及工件坐标系自拟。
【简答题】精加工如下图所示零件外轮廓,刀具及工件坐标系自拟。
【简答题】精加工如下图所示凸台零件外轮廓,零件圆底座及正六边形凸台外轮廓均需加工,刀具及工件坐标系自拟。
【简答题】精加工如图所示长方形零件外轮廓,采用 12mm的立铣刀进行加工,刀具位置如图所示。
【简答题】Hundreds of years ago , a Roman army came north from England to make war on Scotland. The Scots , a brave people , loved their country very much. They fought hard to drive the enemy out of Scotland , ...
【单选题】When Hank marched and drilled along with the other soldiers, he ______.
A.
did everything the other soldiers did
B.
did most of the things the other soldiers did
C.
did some of the things the other soldiers did
D.
took some special training