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- France has fallen behind (Germany) in coal production. 法国在产煤方面落後(於德国)了。
- He bought in coal for the winter. 他购买了大量的煤过冬。
- Canada used to be rich in coal deposits. 加拿大曾经盛产煤矿。
- This part of country is rich in coal. 这个地区盛产煤。
- Liaoning abounds in coal and iron. 辽宁盛产煤和铁。
- That area is rich in coal and oil. 那个地区盛产煤和石油。
- They bought in coal for the winter. 他们买了煤准备过冬。
- This region abounds (=is rich)in coal iron ore. 这个地区煤和铁石很丰富。
- Many ships stopped here to take in coal. 很多船只在这里停泊上煤。
- Township enterprises mainly in coal mining. 乡镇企业以开采煤炭为主。
- phosphorus in coal 煤中磷
- An automatic analyzer for determination of total phosphorus in natural water. 自然水样总磷含量自动分析仪的研制。
- Soil improved effect of vegetation restoration in Coal waste piles. 植被恢复下矸石山土壤改良效益研究。
- Experience of the application of CAD in coal mine design. 介绍了CAD在煤矿设计中的应用效果。
- An organic particle of colloidal size found in coal. 胶态离子见于煤中的胶粒大小的有机颗粒
- Any of several organic compounds having the structure of an amine but with phosphorus in place of nitrogen. 碱性染革黄棕具有胺的结构的、但是以磷替代了氮的有机化合物
- So, EME can be applied to forecast the rock burst in coal mine. 研究表明,电磁辐射基本上随著加载及变形速率的增加而增强;
- The removal efficiency of phosphorus in sewage with three kinds of fillers(sand,gravel,perlite)was studied. 研究了沙子、砾石、珍珠岩三种填料对生活污水中磷的去除效果。
- The largest risk in coal mining is the collapse of the mine. 煤矿生产过程中可能出现的最大危险就是巷道崩坍。
- AFA combinated with sand filtration process has been used for removing phosphorus in secondary effluent. 利用工业废弃物粉煤灰制备活性粉煤灰除磷剂AFA,将AFA与传统的砂滤工艺相结合,用于二级出水中磷的去除。