纠正措施的内容应根据不合格的（）情况，针对其产生的原因来确定。
参考答案：事实
建筑施工图中最主要、最基本的图纸是
A．立面图
B．剖面图
C．平面图
D．电路图
E．水路图
The navigational term set of current means（）.
A.velocity of current in knots
B.direction from which the current folws
C.estima ed current
D.direction toward which the current flows
