n. driller
misc. perforating bur ; grooved bit
他用打孔器在皮带上钻了一个孔。
如果使用这个方法，一定要确定钻孔时要从外拍框向内拍框打孔，谨防避震条钻下的部分进入拍体。
If using this method, be sure to punch the holes from the opposite side and snip off the punched pieces of lead to avoid having them come loose inside the frame.
务必用钻夹头夹劳、夹正钻针后方可实施打孔。
Must be firmly and uprightly clamp the holing needle by using drilling collect holing be done.
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