欧美,亚洲,人妻,中文字幕,久久亚洲精品中文字幕,久久精品国产72国产精,久久久久国产亚洲av麻豆,女人被躁到高潮嗷嗷叫视频

您好,歡迎訪問優(yōu)校網! 收藏本頁 手機訪問
今天是:

rock hardness是什么意思


中文翻譯巖硬

網絡釋義

1)rock hardness,巖硬2)hard rock,硬巖3)Graywacke,雜巖,硬巖4)hard stratum,硬巖層5)hard rock,堅硬巖石6)hard-rock tunnel,硬巖巷道

用法例句

    Study on constitutive model for hard rock under high geostresses;

    高地應力下硬巖的本構模型研究

    Analysis of influence on errors in Brazilian test of hard rock;

    硬巖巴西劈裂法試驗誤差影響率分析

    The quick construction technique for main cave hard rock of Nanliang tunnel entrance;

    南梁隧道進口正洞硬巖快速施工技術

    In this paper analyze a great deal of practice datum,know hard stratum has important effect in rock moving application statistic method.

    在整理和分析大量實測資料的基礎上,應用數理統(tǒng)計的方法對覆巖中硬巖層對巖移參數的影響進行了研究,找出了巖層移動參數的影響因素與統(tǒng)計規(guī)律,對開采沉陷的進一步研究具有重要的意義。

    Characters near strong impact loading zone in hard rock;

    堅硬巖石在強沖擊荷載作用近區(qū)的性狀研究

    Aiming at the problem of poor blasting effects that exists universally in hard rockst,he middle deep hole blasting tests were done in hard rock tunnels at Shuangyang Mine;and the blasting test results of different kinds of cutting forms have been gotten.

    針對普遍存在的硬巖中爆破效果差的問題,在雙陽煤礦堅硬巖石巷道進行中深孔爆破試驗,得到各種不同掏槽形式爆破的試驗效果,通過比較得出復式桶式掏槽完全適合于中深孔爆破,炮眼利用率高。

    This paper expounds the Application of presplit controlled blasting technique in the hard rock blast,and introduces the general situation of the engineering,the design scope,the drill-and-blast technical parameters,the structure of charging and explosive load,the blasting network,and the firing order,etc.

    闡述了預裂控制爆破技術在堅硬巖石爆破中的應用,介紹了工程概況、設計范圍、鉆爆技術參數、布孔方式、裝藥結構及裝藥量、爆破網絡、起爆順序等。

    Blasting effectiveness is increased greatly and boring-and-blasting technology in deep-seated and hard-rock tunnel is improved.

    通過對影響深部硬巖巷道爆破效果因素的分析,優(yōu)化出淮南礦區(qū)不同條件下巖巷掘進用爆破器材和爆破參數,爆破效率有了很大提高,并探究出深部硬巖巷道鉆爆法施工的一些經驗。

    hard rock coring tool

    硬巖石井壁取心器

    Fisher discriminant analysis model of rock burst prediction and its application in deep hard rock engineering

    深部硬巖巖爆預測的FDA模型及其應用

    Drilling and Blasting Technology of Hard Rock in New Ventilating Shaft in Zhangxin Coal Mine

    張新礦新風井堅硬巖石鑿巖爆破技術

    2. In flat dip layer, the seam thickness control the stability of the wall rock, the thick-bedded hard rock is stable than the thin-bedded hard rock.

    ② 巖層厚度在緩傾斜時對圍巖穩(wěn)定起控制作用,厚層硬巖整體穩(wěn)定性好于薄層狀硬巖。

    Research on Tunneling Technology in Hard and Mix Ground by Shield Machine;

    盾構在硬巖及軟硬不均地層施工技術研究

    The Model to Dynamically Predict Rockbursts Proneness of Hard Rock at Depth and Its Application;

    深部硬巖巖爆傾向性動態(tài)預測模型及其應用

    The rock must be broken by blasting.

    硬巖須用爆破的方法破碎。

    What can be done if the overburden is hard rock?

    如果剝離物是硬巖,怎么辦呢?

    Solidified lava filling the vent of an extinct volcano.

    巖頸填充死火山的硬化的火山巖

    Of, relating to, or resembling rock, especially in hardness; stony.

    堅硬的,石質的巖石的,與巖石有關的,或巖石狀的,特別指硬度方面;堅硬的

    A light - colored tuff used in hydraulic cement.

    粗面凝灰?guī)r一種用來生產硬水泥的淡色凝灰?guī)r

    Any of various hard, dark - colored rocks, especially basalt and chert.

    暗色巖一種堅硬、暗色的巖石,尤指玄武石及燧石

    Simulation of Rockburst in Hard and Brittle Surrounding Rocks of Circular Underground Cavern

    圓形地下洞室堅硬脆性圍巖巖爆的模擬

    Petrology of jadeite-bearing serpentinized peridotite and its country rocks from Northwestern Myanmar (Burma).

    緬甸含硬玉的蛇紋石化橄欖巖及其圍巖的巖石學研究

    Vitreous rocks are hard and shiny.

    玻璃狀的巖石堅硬而晶瑩閃光。

    This machine can bore through solid rocks.

    這臺機器能夠鉆透堅硬的巖石。

    "Towards the outside, the rock is cool and hard. "

    靠近地表是冷卻硬化的巖石。

    A crust appears to have formed over the volcanic rubble.

    火山熔巖表面似乎形成了一層硬殼。