1·This paper points out the drawbacks of conventional start-up procedure for small calcium carbide furnace after major repair and presents the advantages of improved procedure and its theoretical basis.
文中指出了小型电石炉大修后用传统方法开炉的弊端,介绍了改进后的开炉方法的优点及其理论根据。
2·After major repair, the test was made again to this unit, the lower throw was recovered, this proved that analysis and treatment is correct.
大修后,再次对该机组进行了测试,下导摆度恢复正常,证明分析和处理得当。
3·In the major repair of the highway, safety operation of the road has been affected because of congestion and frequent accidents in construction section.
由于高速公路大修期间施工路段的拥堵、交通事故频发等严重影响道路安全运行。