It is mainly applied to blasting operation of general mining, tunneling, road-building, bridge-construction and building water conservancy projects.

主要用于一般采矿、开凿隧道、筑路修桥、兴建水利等爆破作业。

youdao

And that makes it for me a very exciting time to study this because the problems aren't solved in the way that bridge building is largely a solved problem now.

对于我而言,这是一个非常激动人心的时代,因为一百年前桥梁建设中难以解决的问题,在今天都得到了解决

耶鲁公开课 - 生物医学工程探索课程节选

When we went on this tour we saw an awful lot of problems and we saw a lot of promise, enough promise to convince us all that we actually can succeed in building a bridge to the 21st century that all Americans can walk across.

CNN: Transcript: Clinton speaks on patients' bill of rights

These called for an immediate ceasefire, followed by a cooling-off period and a series of confidence-building measures to bridge the gap between the current violence and a resumption of long-term negotiations.

ECONOMIST: Israel and the Palestinians

Examples given include stacking boxes to climb over something, building a bridge out of debris or climbing on a chair to grab an object out of reach.

BBC: US Navy funds 'MacGyver' robot that can create tools