| 单词 | 钻床 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔bit〕A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.钻头：曲柄、钻柄或钻床之上用于钻孔的尖头工具美国传统〔drill press〕A powered vertical drilling machine in which the drill is pressed to the work automatically or by a hand lever.钻床：一种直立的钻孔设备，它的钻头靠手柄或动力压在工件上美国传统 |
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