设计开发了高速铝棒切断锯床，该锯床采用木工圆锯片作为切断刀具，既提高了锯切效率和质量，又降低了材料的浪费率。
A high-speed sawing machine for aluminum bar is designed, the application of woodworker-circular-saw blade improves the cutting efficiency and quality, and reduces the waste of material.
你要更换刀具或给电动工具换位之前，都要切断电源。
Whenever you need to change a blade or bit on a power tool, always disconnect the electricity to the power tool before even beginning the blade change.
一个断屑器实际上是切断对刀具反作用的切屑薄片。
A chip-off is actually counter-productive tool to cut off the chip flakes.
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