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.

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。

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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.

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。

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The Arcon is a recently developed combination of a top -blown oxygen converter and a DC arc furnace with a single electrode, which can alternate with the top oxygen lance.

电转炉是新近开发的将氧气顶吹转炉与直流电弧炉相结合的技术，其电极与顶吹氧枪可交替使用。

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As they unpack the brand-new sneakers, canned ham, chocolates and packages of Top Ramen noodles, it's clear that what Lance and Virgil really want for Christmas won't fit in a 20-by-20-inch cardboard box.

NPR: Gift Boxes Help Migrant Filipinos Keep Ties to Home

Lance fans who made it to the finish line at the top of the alpine ski resort of Courchevel went wild as their hero took back the leading rider's yellow jersey in a ceremony just after the race.

NPR: Armstrong Back in Yellow in Mountains

Disillusioned with what he had seen of the traditional top-down, government-funded social services model, and now equipped with some knowledge of business, Lance decided on a capitalistic approach.

FORBES: God is his business planner