通过顶枪、侧枪吹氧，可以提高搅拌能，提高传热效率。
The oxygen injection by top lance and side lance can increase the effective stirring power and enhance heat transfer efficiency.
投产实践证明：预热枪和多功能顶枪控制系统的开发和设计功能完善、使用方便、具有当今世界先进水平。
The operation practice shows that the design and development of stand by burner and multifunctional top lance are perfect in functions, convenient for use and provided with advanced world level.
宝钢二号RH装置的加热系统引进了世界上先进的炉外精炼工艺与设备，由预热和多功能顶枪系统两大部分组成。
Advanced equipment and process of secondary steelmaking are adopted in the combustion system of Baosteel No. 2 RH, which consists of stand by burner and multifunctional top lance systems.
通过铁浴式熔融还原炉的水力学模型，实验研究了底吹流量、顶枪流量和顶枪枪位对熔融还原炉内混匀时间的影响。
The effects of bottom blowing flow rate, top blowing flow rate and top lance level on mixed time in iron bath of smelting reduction furnace were studied with water modeling.
近段时间以来，中国军方还花费巨资打造了许多其他的征兵视频，例如之前在中国第一艘航母上拍摄的一部顶枪式短片。
In recent times there have been other high budget recruitment videos like when we saw a Top Gun type of short film on board China's first operational aircraft carrier.
爬到崖顶后，一个目标地堡的机关枪向他开火。
When he reached the top, one of the target bunkers opened fire on him with machine guns.
爬到崖顶后，一个目标地堡的机关枪向他开火。
When he reached the top, one of the target bunkers opened fire on him with machine guns.
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