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- Yes. This coal pit can be said to be China's oldest mechanically opened coal mine. 是啊。这口矿井可以说是中国年纪最大的一口机械矿井了吧。
- Establishing the safe and utility orientation system of the mine personnel in coal pit is of great significance for improving the safe production management of the coal pit. 摘要建立可靠实用的煤矿井下人员定位系统，对改善煤矿的安全生产管理有着重要的现实意义。
- He has to work in Coal pit. 他必须到小煤窑背煤。
- Study on Treatment of Water in Coal Pit 采煤坑水处理方法研究
- Study on geological hazards of closed large-medium open coal pit 大中型露天煤矿闭坑地质灾害浅析
- The pan factory in the Dabie Mountains and the coal pits and the shops connected to the factory can support 30,000 people. If the factory closes down,the 30,000 people will immediately be out of work. 大别山的锅厂，以及与锅厂有联系的煤窑、小摊贩等，能养活三万人，锅厂一停工，这三万人就立刻无法生活了。
- The pan factory in the Dabie Mountains and the coal pits and the shops connected to the factory can support 30,000 people. If the factory closes down, the 30,000 people will immediately be out of work. 大别山的锅厂，以及与锅厂有联系的煤窑、小摊贩等，能养活三万人，锅厂一停工，这三万人就立刻无法生活了。
- Abstract: In the exploration process for harnessing and renovating local railways in Shanxi,the interborehole electromagnetic wave fluoroscopy was used to search for mined-out area of coal pits,which yielded satisfactory geological effects. 文摘:在山西地方铁路病害整治的勘探过程中，将电磁波孔间透视法应用于寻找煤窑采空区，取得了良好的地质效果。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- The treatment of coal spontaneous combustion caused by small coal pits intruding has several difficulties in how to drop temperature effectively,control the air leak,put out fire efficiently,etc. 小窑入侵造成的煤体自燃,其治理存在如何有效降温、漏风控制、有效灭火等几个难点。
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- Methods of drawing off the stockpile water from the small coal pit by drilling 小窑积水钻探的放水方法
- It's a bleak look-out for the coal industry as the number of pit closures increases. 煤井关闭的数目日多，煤炭工业前景暗淡。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- We have enough coal to see the winter out. 我们有足够的煤过冬。
- Treatment of leakage of settlement joint of coal pit in mix coal mill 某配煤厂受煤坑沉降缝渗漏水的处理
