判断题

在一套图纸中应尽量采用一种规格的幅面，不宜多于两种幅面

答案：正确

你可能感兴趣的试题

单项选择题

下图是牛消化器官示意图，图中编号X8所指属于下列哪一项？
A、空肠
B、网胃
C、瓣胃
D、十二指肠
E、皱胃

单项选择题

Which of the following is appropriate to describe the elements in cell? ( )
A、Some elements in the cell are called trace element.
B、C, H, O and N account for 90% of all elements in cell.
C、The content of S, P, Cl, K, Na, Ca, Mg and Fe in cell is 9.9%
D、All of the above are correct.