单项选择题

If the author wants to present opinions on both the positive and negative side of a certain issue, he or she is probably going to write an explanation text.
A、正确
B、错误

题目列表

你可能感兴趣的试题

问答题

简述轻型井点系统降水的设计步骤。(不必写出公式)

答案: 确定井点类型,确定井点平面布置、高程布置,计算井点管数量,井点施工
微信扫码免费搜题