| 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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不能因为第一次飞翔遇到了乌云风暴,从此就怀疑有蓝天彩霞。我们应当正视现实,不必以海市蜃楼里的绿洲,去覆盖地上的沙漠。-「西线轶事」
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