您要查找的是不是:
- coal mining without pillars 无煤柱开采
- No safety pillars shall be mined without authorization and no dangerous methods, such as water bursting, blasting and breaking through roadways, which may threaten the production safety of adjacent coal mines shall be adopted. 采矿作业不得擅自开采保安煤柱,不得采用可能危及相邻煤矿生产安全的决水、爆破、贯通巷道等危险方法。
- No safety pillars shall be mined without authorization and no dangerous methods,such as water bursting,blasting and breaking through roadways,which may threaten the production safety of adjacent coal mines shall be adopted. 采矿作业不得擅自开采保安煤柱,不得采用可能危及相邻煤矿生产安全的决水、爆破、贯通巷道等危险方法。
- Technology of mining without pillar for level entry in much thicker inclined coal seam 浅谈特厚易燃煤层水平布置巷道无煤柱开采技术
- coal mining without destroying water resource 保水采煤
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- mining without pillar left 无煤柱开采
- Coal mining has always been a dangerous occupation. 采煤向来是一种危险职业。
- General bituminous coal mining; Motor freight. 一般烟煤开采;汽车货运。
- It has great influence on the effect of dilution drawing,that the shape and size of ore remained mass at the tope dilution drawing in sublevel caving mining without bottom pillars. 无底柱分段崩落法矿石残留体的形态和大小在端部放矿对放矿效果有着重大影响。
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- The landscape was destroyed by coal mining. 自然景观由于挖煤而受到了破坏。
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- February 2003 successfully developed the "second generation without pillars of greenhouse vegetables (greenhouse) skeleton plane" and The month listed. 2003年2月成功开发出“第二代无支柱蔬菜大棚(温室)骨架机”并于当月上市。
- Jiamusi Coal Mining Machinery Co. 和佳木斯煤矿机械有限公司。
- XUZHOU COAL MINING GROUP CO., LTD. 江苏徐州矿务集团有限公司。
- A coal mining boom has swept across north China. 煤炭行业的繁荣,在华北到处可见。
- A rat,however,being small and light,could sit on the mine without exploding it. 而一只老鼠又小又轻,坐在地雷上也不会将它引爆。
- For the children of Israel will abide for many days without king and without prince and without sacrifice and without pillar and without ephod and teraphim. 因为以色列人也必多日独居,无君王,无首领,无祭祀,无柱像,无以弗得,无家中的神像。