求翻译：普通车床主要由床身、床头箱、尾座、刀架、溜板箱等组成。床头箱和尾座位于床身两端，刀架装在床头箱和尾架之间的溜板箱上，用来夹持刀具。是什么意思？

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The conventional lathe mainly by the lathe bed, the headstock, the tailstock, the tool rest, the apron and so on is composed.The headstock and the tailstock are located the lathe bed both sides, the tool rest install between the headstock and on the tail stand apron, uses for to support on both side

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Ordinary lathe mainly by case, tail flat, knife rest of lathe bed and bedside, slip away board case,etc. make up. Bedside case and tail seat, at lathe bed both ends, whom knife rest place between bedside case and end shelf slip away board at case, used for grasping the cutter.