This paper introduces the existing problems of take_up device and end bracket for DT75 type belt conveyor and its improving way.

介绍了DT75型带式输送机小车式拉紧装置及尾架在使用中存在的问题及改进措施。

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According to the underground geological conditions and existing equipment situation of Chengzhuang Coal Mine, this paper introduces the design and successful application of the light-type end bracket.

根据成庄矿井下地质条件和现有设备状况，介绍了设计轻型端头支架并成功应用的经验。

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The tax rates for families, individuals and heads-of households with income below these thresholds will not change and will remain at their existing Bush-era tax bracket levels.

FORBES: Fiscal Cliff Deal: 4 Tax Provisions Handled, 1 Hiked, Still Work To Be Done

The Czech Republic voted to introduce a second 22% bracket, on top of the existing 15% flat income tax.

FORBES: How Do Countries Grow Rich? It's Much Easier Than You Think