This invention has the advantages of high fire strength in use, complete briquette combustion, a little pollution and low Labour strength.

本发明具有使用时火力强度大，型煤燃烧完全，污染小，劳动强度低等优点。

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Lots of field applications show that this apparatus can effectively reduce drilling cycle, decrease Labour strength and ensure drilling safety.

大量现场应用表明，该装置能有效地缩短钻井周期，降低工人的劳动强度，保证钻井安全。

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This paper introduces the improving process of outside pour type hydraulic prop. It can reduce Labour strength, raise pressure text safety and work efficiency.

介绍了外注式单体液压支柱试压头的改造过程，对其进行改进可以降低劳动强度，提高试压安全性能和劳动效率。

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Though it is a traditional Labour strength, Mr Hague thinks that health too can be turned to the Tories' advantage if the government fails to perform and his own party produces bold ideas for reform.

ECONOMIST: The Tory leader

The pound's protracted strength while Labour has been in office reflected an exceptional decade of sustained growth and low inflation.

ECONOMIST: Weak sterling

The strength of organised labour peaked in Europe in the 1970s, about the time that work hours started falling.

ECONOMIST: Economics focus