Hydraulic support is the key equipment of the synthetically mechanized coal mining, the dynamic performance impacts on the reliability and safety of the whole mechanized working face.

液压支架作为综合机械化采煤关键设备，其动态性能的好坏直接影响着整个综采工作面的可靠性及安全性。

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The node can collect, process and transmit data of gas concentration, co concentration, temperature and humidity of underground working face by microcontroller and wireless transmission module.

该节点通过微控制器和无线传输模块实时采集、处理、传输井下工作面的瓦斯浓度、CO浓度、温度、湿度等数据。

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The micro fractures are firstly formed in roof above the working face.

研究表明：工作面上方采空区靠顶板侧岩层首先产生微裂隙。

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Farrah Fawcett spent much of her career working hard to prove that she was more than just a pretty face.

VOA: special.2009.12.27

They said residents would face ethical questions about making others responsible for sick patients just because their working hours were ending.

VOA: special.2009.06.02

Start-ups that are rapidly growing and expanding can often benefit from having a core team working face to face.

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She said research showed that collaborative work suffered if colleagues were not working face to face and said technology was being developed to counter the effects of that, as companies became increasingly global.

CNN: Your desk, chair are watching you

This latest study provides key data about the conflicts that working fathers face in their roles at work.

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