通过对现场使用的带式输送机给料槽存在的问题进行分析，设计出一种曲面给料槽。实践证明使用效果良好。
Through analyzing the problems existing in the belt conveyors in site, this paper puts forward a kind of trough with curved surface which behaves nicely in practice.
实践证明，该取得了很好的控制效果，适合现场实际应用。
It is proved that the system had good effect and be fit for practice application.
现场实践证明，设计的方案和参数合理可行，取得了良好效果。
Practice in situ has proved that the desired scheme and its parameters are reasonable and feasible, and favorable results were obtained.
实践证明，这种方法操作简单、节省金属、效果良好、可在现场进行，而且具有较大的经济效益。
Practice showed: this method is simple in operation, saves metal and has a good effect. Remedy may be performed in -ite and the method can obtain an appreciable economic effect.
现场的应用实践证明，孔底起爆技术可以获得良好的经济技术效果。
The practical application has proven that hole-bottom initiating technique can achieve better technical results and economic benefits.
现场实践证明， 空气间隔装药在爆破降震中有良好的经济技术效果。
The practical application in Xinqiao Pyrite Mine has proved that the technology of air-space charge can receive good economical and technical effects.
在现场实践中，此方法对利用定量化指标评估水力割缝效果具有十分重要的指导意义。
In practice, the method is very useful to evaluate the results of hydraulic cutting with quantitative indexes.
实践证明该系统现场应用效果良好。
现场实践证明，注气后试验区日油略有上升，含水略有下降，初步取得了较好的增产效果。
Field practice, increase daily oil production after gas injection, daily water production dropped, Effect of yield increase is better.
针对MXC 335 0型选择性破碎机运行故障及原因进行了分析，并根据现场实践进行了改造，收到了良好的效果。
Analyses the malfunction of the selective crusher of Model MXC 3350, and improves the construction of the machine to fit local situation, and gets good profits.
针对MXC 335 0型选择性破碎机运行故障及原因进行了分析，并根据现场实践进行了改造，收到了良好的效果。
Analyses the malfunction of the selective crusher of Model MXC 3350, and improves the construction of the machine to fit local situation, and gets good profits.
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