综采工作面的顶板管理，特别是破碎顶板的管理，是工作面循环作业中的重要环节。
The management of the roof, especially is the management of fractured roof, is a key link in the face circulation operation.
文中所建立的数据模型和方法，亦适用其他循环作业机械动态测试数据的处理工作。
The model and process presented in this paper can also be applied to dynamic testing data processing of other industrial vehicles in cyclic operation.
采煤工作面的涌水中，固体颗粒的含量随着回采循环作业内容的改变而变化，因而，具有周期性。
Coal face of the gushing water, the solid particles with the recovery cycle of the content of the changes in content homework change, which is cyclical.
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