特种微距镜头超超大特写下分享木工常用所有钻头特性、使用方法和技巧。教你如何用正确的钻头，高效在木头上开孔。
The special macro lens uses ultra-large close-up to share the characteristics, usage methods and techniques of all drill bits commonly used in woodworking. Teach you how to use the correct drill bit to efficiently drill holes in wood.