Results show that exposure time of pit bottom soil affects notably the diaphragm wall displacement during the periods of both soil exposure and pit bottom construction.

本文就坑底土层局部加固对支护结构位移的影响效果和规律，结合工程实例，并从理论上进行了分析研究。

youdao

Fears are now being voiced that the planned construction of an oil pipeline across the lake's bottom might revive pollution and cause the fish population to decline again.

现在有人担心，计划修建的穿越湖底的输油管道可能会重新造成污染，导致鱼类数量再次下降。

youdao

Home prices appear to have hit bottom in some areas of the country, but construction remains weak.

住宅价格似乎在该国的一些地区已经触底，但建设业仍然薄弱。

youdao

Nanotech also allows for "green manufacturing"--manufacturing processes that can take place at ordinary temperatures, reducing energy costs, while the use of non-toxic catalysts minimize pollution and bottom-up construction leaves no wasted material behind.

FORBES: Nanotech Vs. The Green Gang

The fundamental role of bottom currents in the construction of continental margins has now been well documented and the sediments deposited or significantly affected by these bottom currents are known as contourites.

UNESCO: EARTH SCIENCES FOR SOCIETY

That is reflected in share prices: over the past year, the worst performing sectors, from the bottom up, have been securities firms, shipping, construction, paper, steel, mining, warehousing, airlines, oil companies and banks.

ECONOMIST: Deregulation in Japan