请英语高手帮忙翻译一段话吧，谢谢

Question

煤矿机械设备是煤矿企业从事生产，创造收益的物质技术基础。在设备选择时除考虑设备的功能以外，还要考虑设备购置及运行的经济性。另外，煤矿机械设备的更新时间的确定要依据于设备的经济寿命，以使企业尽量降低设备的使用成本，从而提高企业的经济效益。本文就是通过对技术经济的应用，找到设备选择的决策依据及设备经济寿命确定的方法，以达到企业高效生产的目的。
请不要直接用有道翻译了，如果用有道的话，帮忙改一下吧，那个不准确，还是请高手帮忙吧！谢谢了！

Answer 1

Coal mining machinery, coal mine enterprises engaged in production, the creation profit material technology base. In the equipment when the choice besides considering the function of the equipment, also consider equipment purchase and operation of the economy. In addition, coal mine machinery equipment update time to based on the economic life of equipment, so that companies try to reduce the cost of equipment, so as to improve the economic benefit of enterprise. This article is through the application of technical economy, find the equipment selection decision-making basis and method of determining the economic life of equipment, to achieve the purpose of efficient production.
我自己弄的，我英语最好，有2句是用有道了就 希望能帮到你，如果帮到你了，望采纳。

Answer 2

Coal mine machinery equipment is coal mining enterprises engaged in the production, the material and technical basis to create revenue. In the selection of equipment and considering the equipment function, but also consider the purchase of equipment and economic operation. In addition, the economic life of equipment is determined based on the update time of coal mine machinery equipment, in order to enable enterprises to reduce equipment costs, thereby improving the economic efficiency of enterprises. This article is through the use of technology and economy, find a way to determine the economic life decisions and equipment selection, in order to achieve high efficiency production enterprise objective.

Answer 3

Coal mine machinery equipment is coal mining enterprises engaged in the production, the material and technical basis to create revenue. In the selection of equipment and considering the equipment function, but also consider the purchase of equipment and economic operation. In addition, the economic life of equipment is determined based on the update time of coal mine machinery equipment, in order to enable enterprises to reduce equipment costs, thereby improving the economic efficiency of enterprises. This article is through the use of technology and economy, find a way to determine the economic life decisions and equipment selection, in order to achieve high efficiency production enterprise objective.