Research purpose: as a main tool to cut rock, disc cutter was mainly assembled on cutting wheel of TBM, mixed shield and rock shield.
研究目的：盘形滚刀是一种重要破岩刀具，主要用在掘进机(TBM)、复合式盾构及岩石盾构的刀盘上。
Instead, they are shield volcanoes—volcanoes with broad, sloping slides formed by molten rock.
相反，它们是盾状火山——由熔融岩石形成的宽而倾斜的滑坡。
Instead, they are shield volcanoes — volcanoes with broad, sloping slides formed by molten rock.
相反，它们是盾状火山——由熔岩形成的宽而倾斜的滑梯。
Sculpted by glaciers, the park is 85 percent rock and ice and has the highest peaks in the Canadian Shield.
公园是由冰川雕刻而成，85％是岩石和冰，并拥有着加拿大盾中的最高山峰。
It is believed to be a low-relief shield volcano, and its dark color comes from basaltic volcanic rock.
科学家们认为这块区域是一处低幅度的盾形火山，深色的岩石是玄武岩。
My God is my rock, in whom I take refuge, my shield and the horn of my salvation.
我的神，我的磐石，我所投靠的。他是我的盾牌，是拯救我的角。撒母耳记下。
A craton includes a crystalline basement of commonly Precambrian rock called a shield, and a platform in which flat-lying or nearly flat-lying sediments or sedimentary rock surround the shield.
克拉通包含通常为前寒武纪岩石的结晶基底，即地盾，也包含围绕地盾的并在其上有平卧或近于平卧的沉积物或沉积岩层的地台。
Disc cutter is an important tool of shield machine to crush the rock during excavating tunnel, cracking efficiency of it directly impacts on the construction efficiency.
盘形滚刀作为盾构掘进机在掘进过程中破岩的主要刀具，其破碎效率直接影响了地下工程施工的效率和成本。
To date, the research on the rock breaking properties of disc cutters of shield machine, compared with foreign countries, is still in its initial stage.
目前，国内有关盾构掘进机盘形滚刀破岩特性的研究与国外相比较，尚处于探索阶段。
Taking the shield-driven tunnel works of line 3 of Guangzhou Metro as example, the article presents the shield construction technology taken for the long-distance hard rock ground, where the tunnel i…
以广州地铁三号线盾构区间工程为实例，介绍盾构法隧道长距离硬岩地层段采用钻爆法开挖管片衬砌施工技术。
Taking the shield-driven tunnel works of line 3 of Guangzhou Metro as example, the article presents the shield construction technology taken for the long-distance hard rock ground, where the tunnel i…
以广州地铁三号线盾构区间工程为实例，介绍盾构法隧道长距离硬岩地层段采用钻爆法开挖管片衬砌施工技术。
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