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- By optimizing tunnel development continous, realizes collection production since Malan mine have put into production, to raise the mine economic effect. 马兰矿井投产以来，不断优化巷道布置，实现集中生产，提高了矿井经济效益。
- The Feasibility Study of Tunnel Development in Watering Alluvium 再谈在高水位冲积层掘送巷道的可行性
- The scouring and undercutting of pipeline under wave action experience three developing stages: silt stirring stage, current tunnel developing stage, swift undercutting and scouring equilibrium stage. 海底管道在波浪作用下冲刷掏空经历了3个演变阶段：泥沙起动阶段、水流隧道发育阶段、快速掏空阶段和冲刷平衡阶段。
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- They are digging through the hill to make a tunnel. 他们正在凿山建一条隧道。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- He tracked out the course and development of it. 他根据遗迹探索出该事物的进程和发展。
- Concern about ecology is a recent development. 对生态的关心是最近才有的事。
- The two lanes merge going into the tunnel. 两条车道会合后引入隧道。
- The truck cleared the tunnel safely. 卡车安全地通过了隧道。
- He has to stoop to get through the tunnel. 他得弯下腰走过地道。
- A factory must try to diversify for further development. 一个工厂要获得进一步发展就要努力使产品多样化。
- The roar of the train reverberated in the tunnel. 火车的轰隆声在隧道里回荡。
- The development was adverse to our interests. 这种发展与我们的利益背道而驰。
- The town has been designated a development area. 该城市已被定为开发区。
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一条地道逃跑了。
- The laval council finance the development of the marina. 开发小船坞的资金是由当地议会提供的。
- The development and growth of an embryo. 胚胎发生胚胎的发展与生长
- The roof of the tunnel caved in (on the workmen). 隧道顶坍塌(压住工人).
- Insufficient mental development. 智力缺陷，智障智能发育不足
