求翻译：本设备主要有纵向滑台、立柱垂直滑台、主轴进给滑台、工作台及弯板等部件组成。机床所有主要铸件均采用优质HT铸铁，其抗震性好，机床在长期使用过程中精度稳定。是什么意思？

This equipment has vertical slide, column vertical slide, spindle feed slide, table and plate bending components. All major machine tool castings are made of high quality cast iron ht, its shock resistance, accuracy and stability of machine tools in the process of long-term use.

This device is primarily vertical slide, Slide, and standard vertical spindle to the desktop, work desk and bent plates etc. All of the major casting machine is made of high-quality cast iron HT shock resistance, the better the long-term use, the machine precision stability in the process.

This equipment mainly has the longitudinal sliding table, the column vertical sliding table, main axle part compositions and so on to feed sliding table, work table and angle iron.Engine bed all main casting use the high quality HT cast iron, its anti-knocking property is good, the engine bed the pr

This equipment mainly vertical sliding table, column vertical slider, feed for spindle sliding table, bench and bent components. Machine tool all of the major cast iron castings are made by HT, its earthquake resistance is good, machine tool accuracy and stability in long-term use.

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