叙述了深天井钻进设备的设计和钻进工艺的试验研究，并对深天井钻进试验中遇到的一些问题进行了探讨。
The authors describe design of deep raise boring equipment and the experimental study on boring technology, and make an approach to some problems occurring in the deep raise boring test.
叙述了内热式焦炉原有设计在实际生产应用中所暴露出来的一系列问题，并针对这些问题进行了分析、研究、改造。
This article discusses a serious of problems exposed during the actual operation and application of the internal heat coke oven, analyses the reason and puts forward improvement schemes.
视角独特是人们评价新闻时常见的一种表述，但对大多数新闻写作研究来说，叙述视角是完全被遗漏的问题。
Although unique visual Angle is a common praise when people comment on a news report, as far as most research of the news writing is concerned, the visual Angle of depiction is neglected completely.
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