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- Coal workings line the route in this hilly, washed out section. 煤礦內巷道位于這個(gè)多坡的被水沖蝕地區的道路兩旁。
- Coal workings line the route in this hilly,washed out section. 煤礦內巷道位于這個(gè)多坡的被水沖蝕地區的道路兩旁。
- Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning. 采煤是煤礦生產(chǎn)中的主要生產(chǎn)環(huán)節,因而編制采煤工作面接替計劃對煤礦生產(chǎn)具有指導性意義。
- Based on a grey control system, the coal working face blasting model of open pit mine in the paperin order to control the coal size optimizely is presented in this paper. 分析了巖體弱面對掏槽效果和破碎塊度的影響,從而提出相應的布孔方法,對指導爆破施工、設計有實(shí)際指導意義。
- We need to replenish our stocks of coal. 我們需要再次補充煤的儲備。
- She piled on more coal before the fire go out. 在火熄滅之前她又加上些煤。
- I add the coal on the flame continuously. 我不斷朝火里添加煤炭。
- A coal miner's work is not a bed of roses. 煤礦工人的活計可不輕松。
- They are ventilating the sap of a coal mine. 他們正在使煤礦坑道通風(fēng)。
- Prohibition was laid on the export of coal. 禁止煤炭輸出。
- He put a shovel of coal on to the fire. 他往火爐里加了一鏟煤。
- That coal mine is no longer worked. 那個(gè)煤礦已經(jīng)不經(jīng)營(yíng)了。
- We have enough coal to see the winter out. 我們有足夠的煤過(guò)冬。
- They eked out their coal by collecting firewood. 他們揀拾木柴以補充煤的不足。
- We had a big delivery of coal today. 今天我們收到大批訂購的煤。
- multidrill cutting coal working face 多孔鉆式割煤機
- Pile on more coal the fire is going out. 火快滅了，再加上些煤。
- What can we do with the bituminous coal? 這些煙煤可以用來(lái)做什么？
- A coal fell from the fire and burned the mat. 一塊煤炭從火中掉出來(lái)，燒壞了地席。
- The country is rich in oil and coal. 這個(gè)國家石油和煤的資源豐富。
