大家都搜：
顶煤
1、lignite coal───褐煤
2、metallurgical coal───冶金用煤，炼焦煤；冶金用煤；冶金煤；炼焦煤
3、coal miners───n.矿工，煤矿工人( coal miner的名词复数 )
4、coal chamber───煤仓
5、coal───n.煤；（尤指燃烧着的）煤块；木炭；v.供煤；采煤，提炼煤；把……烧成炭；加煤
6、top───n.顶端；表面；最高的级别；尽头；帽；上衣；（根菜作物的）茎叶；陀螺；（牛奶最上层的）奶皮；（帆船的）桅盘；居首位的人；最高程度（或层次）；机动车辆的最高档；（录音中的）高频部分；最高额；特别好的人（或事）；（待纺的）毛条；夸克六味之一；（球的）上旋；用于马陀螺的名字；adv.最多，至多；vt.超过（某一数量）；居……之首；把（某物）放在……的上面；胜过；ZiSha；到达山顶；高过；出场；加盖；完成（着装）；去除（蔬菜或水果）顶部以供烹调；误击（球的上部）；adj.最高的；最佳的；最远的；获胜的；极好的；最重要的；居首位的；n. (Top)（巴）托普（人名）
7、bituminous coal───n.生煤；[矿物]烟煤；沥青煤（等于softcoal）
8、top top───顶部顶部
9、standard coal───[矿业]标准煤
1、On the basis of analyzing main stability factors of top-coal, classified top-coal with fuzzy mathematics and mathematical statistics.───分析了影响顶煤稳定性的主要因素，采用模糊数学和数理统计方法对顶煤进行了分类；
2、The elastic wave reflection method is one of the effective methods of detecting the thickness of the top coal seam.───声波反射法是目前顶煤厚度探测的有效方法之一。
3、The top coal broken mechanism and reasonable determination of caving coal heigh in caving coal faces are expounded.───主要阐述了放顶煤工作面顶煤PoSuiJi理及放煤高度的合理确定；
4、Horizontal displacement of top coal dump the stent may cause decline, the actual mining process should take the necessary control measures.───顶煤的水平位移可能造成支架的倾倒于下滑，实际开采过程中应采取必要的治理措施。
5、The rational selection of the technique parameters played an important role in the effective recovery of top coal.───顶煤回采工艺参数的合理选取，对顶煤的有效回收起着重要的作用。
6、the basis of analyzing stress shell, the mechanical essence that top coal performs a function of bedding is demonstrated.───基于对应力壳体的发现和开展的一系列分析，揭示了综放采场顶煤“垫层”作用的力学本质。
7、Roadway supporting and observation of its distortion in fully mechanized top coal caving face in "detached island with three soft"───“三软孤岛”综放工作面巷道支护及其变形观测分析
8、rock movement between the horizontal section of the top coal caving and inclined slicing of the top coal caving was analyzed.───和数值计算的方法，对水平分段和倾斜分层放顶煤开采引起的围岩移动特征进行了比较。
9、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.───煤壁前方顶煤在支承压力作用下产生PoHuai区，遍布整个煤层；
1、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.
2、Based on the present method to calculate the recovery reserves and recovery coefficient of top coal caving mining, an error estimation model was derived.
3、The horizontal section top coal caving in steep seam is different from the gently inclined seam.
4、The top coal broken mechanism and reasonable determination of caving coal heigh in caving coal faces are expounded.
5、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.
6、By the rational design effectively controls the top coal and roof.
7、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.
8、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.
9、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%.