- 双语例句 更多例句
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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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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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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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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- 相关词组
- coal seamn.煤层;
- horizontal seam水平缝
- horizontao section of coal seam煤层水平断面图
- wide seam宽裂缝
- infusion in seam向地层注入
- brazing seam焊缝;
- impermeable seam不透水层
- welt and seam rubbing machine沿条和沿条缝擦平机
- medium-steep seam中倾斜矿层
- width of oxidized coal seam煤层氧化带宽度
- high-frequency straight seam welded pipe高频直缝焊接钢管
- welding seam[化] 焊缝;
- working seam正在开采的煤或矿层
- soldering seam钎缝;焊缝;
- brazed seam（黄）铜焊缝;
- welding seam No焊缝编号
- welded seam can熔接罐
- impervious seam紧密接缝
- felled seam双折边叠缝;
- inclined seam倾斜矿层
- 今日热词
- 热门搜索
- taxi n.出租车;的士;出租汽车;计程车;(非洲某些地方走固定路线、乘客可随时上下的)小公共汽车，小巴士vi.乘出租车;（指飞机）在地面或水面滑行;
- battery n.电池;一系列，一批，一排;adj.（养鸡场）层架式的;
- 混凝土 concrete;beton;jetereting ;
- registration fee n.注册费;
- armchair n.扶手椅;adj.脱离实际的;安逸的;
- mechanic n.技工，机修工;
- crocs n.卡路驰;卡骆驰;克洛克斯（鞋子品牌）;
- bother vt.烦扰，打扰;使…不安，使…恼怒;使迷惑;烦恼;vi.操心;麻烦;烦恼;
- outdoor adj.户外的;室外的;
- seldom adv.不常;很少;难得;
- eur usd 欧元
- entire adj.全部的，整个的;
