对地物属性加以说明的文字、数字,称为()
A.地物注记
B.地物标记
C.地物标注
D.地物注释
参考答案:A
There are _______ students in this high school. [ ]
A. three hundred of
B. three hundreds of
C. three hundreds
D. three hundred
喷浆喷射顺序应先墙后拱,由下而上呈螺旋状轨迹移动,轨迹直径为(),一圈压一圈按作业规程规定喷射顺序施工。
A.100—200mm
B.200—300mm
C.300—400mm
D.400—500mm