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.
使用这种方法节省了大量的时间，这种方法与使用橡皮擦工具或魔术棒工具来选择性切断周围的树木和阴影的方法比起来要更好。
Using this method saves a lot of time and looks better compared to trying to selectively cut out around the trees and shadows using the eraser tool or magic wand tool.
救援人员表示，他们在试图切断钢条解救一名被困妇女时，工具发出的火星引起了火灾。
A fire broke out at the site when rescuers set off sparks says they try to cut through a steel rod to reach a woman.
热剪刃是钢厂用来切断热轧钢坯的主要工具，其性能直接影响到连铸钢坯的质量。
Hot-shear blade is the main tool which is used to cut hot rolling steel billet. Its performance directly affects the quality of continuous metal casting billet.
在某些情况下，用一个球或镖进行封堵，以便将通过工具管柱的循环切断，并使得能施加释放压力。
In some cases, a ball or dart is plugged to block circulation through the tool string and enable the application of the release pressure.
本实用新型涉及车床工具刀，尤其是一种可重复焊接硬质合金刀片的机夹切断刀。
The utility model relates to a lathe tool cutter, in particular to a machine clamped cut-off cutter which can be repeatedly welded with a hard alloy cutter blade.
疤痕：在安装时用不当的工具或者钉子等在密封的唇部切断或弯曲。
Scarring: Cut or dent on the lips coming from storage on a nail or peg or improper installation tools.
你的马夫箱里一定要有方便的工具“Marlinspike”，在紧急情况下，用小刀切断缰绳和龙头。
A handy tool to keep in your grooming box is a "Marlinspike". In emergencies, use the blade to cut a rope or halter.
你的马夫箱里一定要有方便的工具“Marlinspike”，在紧急情况下，用小刀切断缰绳和龙头。
A handy tool to keep in your grooming box is a "Marlinspike". In emergencies, use the blade to cut a rope or halter.
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