"But for part of this line we've had to go down 50 meters because there's high pressure and a lot of mud from the river, " he said.
“但这条线路的一部分，我们不得不开挖到地面以下50米，因为长江的压力很高，泥浆太多，”他说。as for roads building in mountainous and hilly country , blast technique is often used to accomplish the trench excavation of roads.
对于跨越山区和丘陵的地段，需要采用爆破技术手段来完成公路路堑的开挖。He went to a rotten log near at hand and began to dig under one end of it with his Barlow knife.
他走到近处的一根烂树干旁边，开始用他的巴露折刀在一头开挖起来。'We believe the regime is preparing to dig in at Sirte, setting up a number of checkpoints and placing tanks throughout the city, ' he said.
格特尼说，我们相信卡扎菲政权正准备在苏尔特开挖战壕，在全市设立检查站并安排坦克防守。Rock burst is often met in excavation unloading of underground engineering in high geo-stress areas.
岩爆是高地应力区地下工程开挖卸荷产生的动力现象。Some researchers speculate that they made the best of a bad situation by catching fish, and hunting turtles and waterfowl from the canals.
科研人员进一步猜想，认为每遇到情况不妙的时候，他们还能打鱼过日子，会从他们开挖的水渠系统中捕捉一些海龟和水鸟一类的东西。A case study of the building excavation in Kaohsiung city is performed to demonstrate the effectiveness and practicality of this model.
为验证模式的有效性与实用性，本文以高雄市建筑物挡土开挖发生崩坍的事故为案例进行探讨。Studies show that this time-dependent wall displacement is mostly likely due to undrained creep of clayey soils surrounding the excavation.
研究结果显示引致连续壁体依时变形的最可能原因是来自开挖背侧之土壤不排水潜变。Excavating is to confirm the result of detection to buried pipeline coating, and to evaluate the tools of each kind of indirect detection.
埋地管道开挖是为了验证外防腐层检测结果的准确性，是对各种间接检测工具的最好评价。