rock floor

Analyses the migration mechanism of overlying formation of fore-and-aft mining, and the stability influence of roof-floor rock, gains the stress distribution of plastically deforming area form the elasto-plastic stability of coal pillar.

分析了采动影响前后巷道上覆岩层运动、掘巷前后巷道顶底板的岩层及煤柱稳定性；由煤柱的弹塑性稳定性分析中，得出煤柱塑性区应力分布；

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Fossil bodies might get into such rock by sinking to the sea floor.

化石体倒是可能会沉到海底而进入这块岩石.

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The article takes water resisting floor as brittle rock mass, and thinks that water inrush from floor is caused by rock mass sliding along a fracture plane.

把隔水底板作为脆性岩体，认为底板突水是由于岩体沿断裂面发生滑动造成的。

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Roof falling, floor heave of roadway and pillar failure are important rock mechanical problems in mining.

顶板冒落 、 巷道底鼓和矿柱破坏是采矿过程中的重要岩石力学问题.

网络文摘精选

Study of the Slotted Bolt Floor Heave in Soft Rock Roadway

管缝式锚杆防治软岩巷道底臌的试验研究

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The sounds bounce off rock layers below the sea floor and are picked up by the phones.

声波从海底之下的岩层反射回来并由检波器接收。

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Rising molten rock flows out on the ocean floor and caps the fissures, trapping the water.

上升熔岩流到海底并堵住了裂隙, 结果把海水封在里面.

词典精选例句

The compound support consisting of side and bottom bolting and bottom-hole destress blasting in the rise side floor of roadway can efficiently control the floor heaves of roadway so as to stabilize its surrounding rock.

采用帮底锚杆并在巷道上帮底角孔底爆破卸压的复合支护，可以有效地控制巷道的底鼓，达到巷道围岩的稳定。

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Because of a mass of magmatic rock intrusion, rock crevice water existing, broken roof and broken floor, the environment which is useful to gas loss generates.

而大量的岩浆岩的侵入，岩溶裂隙水的存在以及破碎的顶底板，均形成了有利于瓦斯释放的环境。

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Who else could move so seamlessly from social anthem to floor burner, fleet hip hop to cosmic rock, vintage funk to poignant folk ballad?

还有谁能从社会赞歌无缝地转至热辣舞曲，轻快的嘻哈到普世摇滚，从典型的放克到深深动人的民谣？

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