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在食用菌木段栽培技术中，一项很重要的工作就是木段制孔。制孔可分为两类：一类是冲孔，具体可分为手工锤冲孔、机械冲孔；第二类是钻孔，具体又可分为电动机轴上装钻卡头钻孔和手电钻钻孔。但这些方法有一个共性的问题就是效率低。本文介绍的是已取得国家专利（专利号：９９?
In mushroom cultivation techniques, a very important job is the wooden hole. Hole can be divided into two types: one is punching, can be divided into manual hammer punching, mechanical punching; the second is the drilling, the specific can be divided into the motor shaft chuck drilling chuck and hand drill drilling. However, a common problem with these methods is inefficiency. This article describes the national patent has been made (patent number: 99?