A compass is used to draw circles and arcs。
A.正確
B.錯誤
正確答案：正確
題目：A compass is used to draw circles and arcs。
關鍵字：智慧樹
相關試題
1.Which coordinates are related to H projection of a point？
2.How many types of parallel line are there relative to projection plane？
3.How can you represent V projection of a point？
4.How many relationships between two lines？
5.If two projections of two lines are parallel， then the two lines are parallel in space。
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