双面剃须刀比可抛弃型剃刀寿命长的多。
A double edged razor will last a lot longer than disposable razors.
带水平主轴的镗床和铣床的试验条件。精确度试验。第4部分：可移动床柱的多刀刨床。
Test conditions for boring and milling machines with horizontal spindle. testing of the accuracy. part 4: planer type machines with movable column.
画线、绘图、文字标注、半刀切割、全刀切割，一次完成。满足少批量，多订单、多款式的生产目标。
Drawing lines, drawing, text annotation, half cutting, full knife cutting, a complete. Meet the low volume, multi order, multi style production target.
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