- 相关词组
- medium-thickness coal seam中厚煤层
- coal seamn.煤层;
- brazed seam（黄）铜焊缝;
- width of oxidized coal seam煤层氧化带宽度
- horizontal seam水平缝
- impermeable seam不透水层
- impervious seam紧密接缝
- brazing seam焊缝;
- bunches below waistline seam腰缝下口涌;
- medium-steep seam中倾斜矿层
- gently inclined seam缓[倾]斜煤层
- working seam正在开采的煤或矿层
- gently inclined coal seam缓倾斜煤层
- workable seam sample可采煤样
- weld seam焊缝;
- workable coal seam可采煤层
- underlying bedrock下伏基岩;
- underlying documentn.原始凭证;
- wide seam宽裂缝
- weld seam pipe焊缝管
- 今日热词
- 热门搜索
- course n.课程，讲座;航向;方针;行为方式;进程;疗程;一道菜;高尔夫球;比赛场地;泳道;江河流向;河道;层;v.快速流动;
- pottery n.陶器;陶器厂[作坊];<集合词>陶器类;陶器制造（术）;陶土;制陶作坊;制陶手艺;制陶技艺
- laser n.激光;激光器，镭射器;
- stick-up n.持枪抢劫;
- stem n.茎;高脚杯的脚;烟斗柄;词干;v.阻止;
- history n.历史，历史学;发展史;履历，经历;（某地的）沿革;
- organize v.组织;安排;规划;建立组织;
- noble adj.高尚的;贵族的;外表庄严和庄重的;表现出崇高的;n.尊贵的人;旧时在英国使用的金币;
- stiff adj.严厉的;僵硬的，坚硬的;呆板的，拘谨的;顽固的;adv.<口>极度地，非常;
- see you again 再见；再见一面；再次见到你
- physician n.医生，内科医生;<口>医学博士;（精神创伤的）医治者，抚慰者;
- figure n.数字;位数;人影;雕像;体形;知名人士;形象;图，表;几何图形;金额;冰上花样;v.认为;计算;出现;
