用短鑽頭先鑽淺孔,然後把稍長鑽頭放入孔中後夾緊接著鑽,再換更長鑽頭放入孔中,夾緊,接著鑽,直到9”深,需多個鑽頭
所有跟帖:
• 謝謝,這個確實是目前最佳方案,在找最矮的電鑽 -chinomango- ♂ (0 bytes) () 04/05/2023 postreply 21:10:53
• 謝謝,這個確實是目前最佳方案,在找最矮的電鑽 -chinomango- ♂ (0 bytes) () 04/05/2023 postreply 21:10:53
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