Their breakthrough could play an important role in future engineering and construction projects, as damaged materials currently have to be replaced, sometimes at great cost.

他们的突破可能在未来的工程和营建案中扮演重要的角色，因受损坏的材料现在只能靠替换，有时候会花费很大的成本。

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Proceeds from the IPO will partly go toward securing more overseas engineering and construction projects.

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They also enjoy a continuing monopoly over construction and civil engineering projects, from dams to bridges, and highways to metropolitan underground light railways.

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