野外实地测量是传统的地图测量方法,这种方法特别适合( )的测量。
A.整体
B.小范围
C.零星
D.大范围
E.高精度
参考答案:B,C,D
Had the weather been good, the children ____ out for a walk.
A.had gone
B.could have gone
C.would go
D.went
脱硫工序有哪几种运转设备使用电压各是多少?