miyanesalahe
幼苗
共回答了17个问题采纳率:94.1% 举报
The materials basis of construction are land,building materials,construction equipment and construction machinery.With these material conditions,we can have an economic and convenient way to meet peoplems's use requirements and aesthetic requirements,and also safety of the engineering facilities to withstand a variety of loads.It is both of the starting and end point of civil engineering disciplines.
1年前
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