- 双语例句 更多例句
Research and Application of Upward Top Coal Caving Mining Technology in Thick Seam
厚煤层上行开采放顶煤技术研究与应用
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On improving recovery rate of top coal by sublevel caving mining in complex thick seam
提高复杂厚煤层放顶煤开采顶煤回收率的研究
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声波反射法是目前顶煤厚度探测的有效方法之一。
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Application of Gas Tail Gateway to Top Coal Caving Mining in Low Permeability Thick Seam
瓦斯尾巷在低透气性厚煤层放顶煤开采中的应用
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- 相关词组
- horizontal seam水平缝
- working seam正在开采的煤或矿层
- wide seam宽裂缝
- welded seam can熔接罐
- inclined seam倾斜矿层
- welt and seam rubbing machine沿条和沿条缝擦平机
- brazed seam（黄）铜焊缝;
- width of oxidized coal seam煤层氧化带宽度
- welding seam[化] 焊缝;
- brazing seam焊缝;
- horizontao section of coal seam煤层水平断面图
- infusion in seam向地层注入
- medium-steep seam中倾斜矿层
- impervious seam紧密接缝
- coal seamn.煤层;
- high-frequency straight seam welded pipe高频直缝焊接钢管
- soldering seam钎缝;焊缝;
- felled seam双折边叠缝;
- impermeable seam不透水层
- welding seam No焊缝编号
- 今日热词
- 热门搜索
- cloud n.云;云朵;阴影;云状物(如尘雾、烟雾、一群飞行的昆虫);忧郁;焦虑;令人忧虑的事v.（使）模糊;破坏;（眼神或脸色）阴沉，忧郁;(尤指用无关的话题来)混淆，搅混(问题);（使）不透明;使难以理解;布满云;显得阴沉(或恐惧、愤怒等);使记不清楚;看起来忧愁(或害怕、愤怒等);使减少乐趣
- computer n.计算机，电脑;
- snap-fit 卡扣;卡扣配合;扣合
- during prep.在…期间（的某一时间）;
- Mexican n.墨西哥人;
- dusk n.黄昏，傍晚;幽暗;
- after all this time 在这一切之后;经过了这段时间后;
- surrounding adj.周围的，附近的;
- rain n.雨;（热带地区的）雨季，雨天;雨点般降落的东西;<俚>电子流;vt.& vi.（雨）降下，（使）降落;大量地给，（使）大量落下;
- mouse n.老鼠;鼠标;羞怯[胆小]的人;[非正式用语] 眼部青肿;
- GCP abbr.Ground Control Point 地面控制点;Good Clinical Practice <药品临床试验质量管理规范>;
- pull v.拉;抽出;脱下;挣脱;拔出;拖动;收拢;扭伤;转向;吃力运转;划;耍（花招）;犯下罪行;吸引;撤销;停车;拉球侧斜;n.扯;力;吸引力;影响;深吸;艰难攀登;拉伤;拉手;拉球;
