It solves the problem which is the right test of coal machine draw part.

解决了采煤机牵引部准确全面试验的问题。

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The innovation with increasing cutting height of 1MG250 coal machine is introduced in this paper.

介绍了对1MG250采煤机为增加采高而作的革新改造。

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The noice is a usual fault in the hydraulic system of coal machine, analyzing and solving this fault is good for the normal running of this system.

噪声是采煤机液压系统常见的故障之一，分别处理这一故障有利于采煤机正常运行。

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Several departments emblematic of old-style central planning, such as coal and machine-building, have been subsumed under a new "super-ministry, " the State Economic and Trade Commission.

CNN: A New, Slimmer Government

The Nazis later ran their war machine on synthetic fuels made from coal.

FORBES: Magazine Article

There's nothing new about coal gasification--Hitler ran his war machine on it--but GE was only in the turbine side of the business until it bought ChevronTexaco's coal gasification business last year.

FORBES: On The Cover/Top Stories