应届生迷茫中
幼苗
共回答了22个问题采纳率:81.8% 举报
In the modern building construction ,the water supply and drainage system plays an important part in architecture.And people pay more and more attention to it.This paper explains that the designing ideas of water supply and drainage system have greatly improved because of the technological development,especially in recent years,the demands of environmental protection have highly increased.
1年前
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