top coal的意思

top coal中文翻譯：

頂煤

相似詞語短語

coal───n.煤；（尤指燃燒著的）煤塊；木炭；v.供煤；采煤，提煉煤；把……燒成炭；加煤

top top───頂部頂部

top───n.頂端；表面；最高的級別；盡頭；帽；上衣；（根菜作物的）莖葉；陀螺；（牛奶最上層的）奶皮；（帆船的）桅盤；居首位的人；最高程度（或層次）；機動車輛的最高檔；（錄音中的）高頻部分；最高額；<非正式>特別好的人（或事）；（待紡的）毛條；夸克六味之一；（球的）上旋；用于馬陀螺的名字；adv.<非正式>最多，至多；vt.超過（某一數量）；居……之首；把（某物）放在……的上面；勝過；自殺；到達山頂；高過；出場；加蓋；完成（著裝）；去除（蔬菜或水果）頂部以供烹調；誤擊（球的上部）；adj.最高的；最佳的；最遠的；獲勝的；極好的；最重要的；居首位的；n.（Top）（巴）托普（人名）

standard coal───[礦業]標準煤

metallurgical coal───冶金用煤，煉焦煤；冶金用煤；冶金煤；煉焦煤

bituminous coal───n.生煤；[礦物]煙煤；瀝青煤（等于softcoal）

coal chamber───煤倉

coal miners───n.礦工，煤礦工人( coal miner的名詞復數 )

lignite coal───褐煤

雙語使用場景

The rational selection of the technique parameters played an important role in the effective recovery of top coal.───頂煤回采工藝參數的合理選取，對頂煤的有效回收起著重要的作用。

rock movement between the horizontal section of the top coal caving and inclined slicing of the top coal caving was analyzed.───和數值計算的方法，對水平分段和傾斜分層放頂煤開采引起的圍巖移動特征進行了比較。

the basis of analyzing stress shell, the mechanical essence that top coal performs a function of bedding is demonstrated.───基于對應力殼體的發現和開展的一系列分析，揭示了綜放采場頂煤“墊層”作用的力學本質。

The top-coal in the front of the wall appears the failure area in the effect of the abutment pressure that spreads over the coal seam.───煤壁前方頂煤在支承壓力作用下產生破壞區，遍布整個煤層；

The elastic wave reflection method is one of the effective methods of detecting the thickness of the top coal seam.───聲波反射法是目前頂煤厚度探測的有效方法之一。

Roadway supporting and observation of its distortion in fully mechanized top coal caving face in "detached island with three soft"───“三軟孤島”綜放工作面巷道支護及其變形觀測分析

Horizontal displacement of top coal dump the stent may cause decline, the actual mining process should take the necessary control measures.───頂煤的水平位移可能造成支架的傾倒于下滑，實際開采過程中應采取必要的治理措施。

The top coal broken mechanism and reasonable determination of caving coal heigh in caving coal faces are expounded.───主要闡述了放頂煤工作面頂煤破碎機理及放煤高度的合理確定；

On the basis of analyzing main stability factors of top-coal, classified top-coal with fuzzy mathematics and mathematical statistics.───分析了影響頂煤穩定性的主要因素，采用模糊數學和數理統計方法對頂煤進行了分類；

英語使用場景

The paper held that the two leg shield caving powered support would not be suitable for the top coal caving mining in the hard coal seam and the joint crack undeveloped medium hard seam.

In Qinhuangdao, China's top coal port, prices of coal with calorific value of 5,800 kcal/kg rallied about a third from the end of August to about 745 yuan a tonne.

By the rational design effectively controls the top coal and roof.

With the gradual advance to face Each 3 1 release, top coal recovery rate of 80%. 50 m face advance, the taking odd and even frame a comprehensive manner caving, top coal recovery rate of 90%.

Based on the present method to calculate the recovery reserves and recovery coefficient of top coal caving mining, an error estimation model was derived.

The paper introduces some mining measures in soft coal seam of Linnanchang Mine and soft floor by leaving top coal. The measurements ensure safety mining.

The top coal broken mechanism and reasonable determination of caving coal heigh in caving coal faces are expounded.

The horizontal section top coal caving in steep seam is different from the gently inclined seam.

First, based on similar material model test, top coal cave-in characters in steep and thick seam were studied as well as failure law of main roof and features of surface subsiding.