侧板和底板采用先进TOX铆接技术，自动检测铆接点的效果；
Underside and side bar uses the advanced TOX technology, detect the quality of the riveting joint port automatically.
最后，还对窄缝挑坎底板及侧墙上压力分布的计算进行了探讨。
Finally, the dynamic pressure distributions on the bottom and the side walls of slit-type buckets are discussed.
通过相似模拟试验，对大段高开采条件下顶煤体靠底板侧煤体弱化程度不同情况下的工作面采出率进行了模拟研究。
With the similar simulation test, a simulation study on the mining rate of a coal mining with the top coal weaken in different degree and under the high cutting mining condition was conducted.
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