n.手摇钻
a pointed and threaded tool for drilling and boring that is secured in a brace,bitstock,or drill press 曲柄、钻柄或钻床之上用于钻孔的尖头工具
the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press 钻机的切割部分；通常是尖头的有螺旋状图案并且可以更换，用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." 曲柄、钻柄或钻床之上用于钻孔的尖头工具。
the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press. 钻机的切割部分；通常是尖头的有螺旋状图案并且可以更换，用在钻柱钻柄或钻床上。
the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press . 钻机的切割部分；通常是尖头的有螺旋状图案并且可以更换，用在钻柱钻柄或钻床上。
