介绍了新型外动颚匀摆颚式破碎机的应用情况及生产使用实例，并综合分析了生产实践的结果。
The paper describes the application of new type uniformly swinging external jaw crusher and the production application cases, and comprehensively analyses the results of production practice.
介绍了PSFL系列立轴双反击破碎机的性能、特点及在水煤浆生产中的应用效果。
The property and feature of PSFL series vertical shaft impact crusher and application in coal water slurry production are introduced in this paper.
分析原鼠笼破碎机在设计上和生产中存在的问题，通过观察与计算，找出原因并提出改造措施。
The paper analyzes the problems existed in the design and during operation of the cage crusher, finds out the reason and gives the improving measures through observation and calculation.
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