A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.
通常是尖头的有螺旋状图案并且可以更换,在钻柱钻柄或钻床上。
A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.
通常是尖头的有螺旋状图案并且可以更换,在钻柱钻柄或钻床上。
声明:以上例句、词性分类均由互联自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。