The construction of the roller compacted concrete dam needs four dry seasons and four flood seasons to reach the design elevation.
碾压混凝土拦河坝工程须经过四个枯水期四个汛期的施工才能达到设计高程。
Hydraulic fill dam is a fast and economic method for dam building, but the construction of filling is confined by seasons owing to long freezing period of cold zone at high latitude.
水坠筑坝是我国创造的一种快速、经济筑坝方法，但高寒地区冰冻期长，冲填施工受到季节限制。
City square is an important part of city construction. We should construct proper city square in north area according to the advantage of obvious seasons.
广场是城市建设不可或缺的一部分，我们应利用并发挥北方四季分明的优势，打造适合北方地区的城市广场。
For the construction during the winter and rainy seasons, corresponding methods and preventive measures should be planned to guarantee the project quantity while speeding up the progress.
针对冬、雨季的施工，应制定相应的施工方法和预防措施，确保工程质量和施工进度。
During dam concrete construction, relevant temperature control measures are adopted in different seasons.
针对不同季节，大坝混凝土在施。
The utility model has the characteristics of small ground occupation area, low cost, convenient construction, etc. , and does not need to be dismantled and can be used in four seasons.
拱架具有一定的刚度和抗御风雪的能力，又具有占地面积小，不需拆除可四季使用及造价低廉、施工方便等特点。
If you know all 4 seasons by: almost winter, winter, still winter and road construction, you live in Ontario.
如果你知道所有四季是这样的：接近冬天、冬天、仍然冬天和修路，那你是住在安大略省。
If you know all 4 seasons by: almost winter, winter, still winter and road construction, you live in Ontario.
如果你知道所有四季是这样的：接近冬天、冬天、仍然冬天和修路，那你是住在安大略省。
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