After analysis of operating conditions and problems in the feeder of imperial smelting furnace, the lower hopper and faying face of the feeder has been modified, thus extending its service life.
分析了鼓风炉加料装置的工况条件及存在的问题,对加料装置的下部漏斗及结合面等进行改造,延长了其使用寿命。
Combine to produce real,inquires into the making and the baking of lower part electrodes.
结合生产实际,探讨下部电极的制作与焙烧。
With the progress of drilling technology, bottom hole assembly (BHA) has been developed rapidly to control well trajectory.
随着钻井技术的进步，以控制井眼轨道为目的的下部钻具组合发展迅速。
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