大学英语词汇短语释义解析及例句 drill chuck


释义：

drill chuck n. 钻头夹盘；钻头卡

例句：



The fixed structure of a keyless drill chuck lower housing has the characteristics of simple structure, convenient assembly, reliable connection and reduction of cost.

本实用新型具有结构简单、装配方便、连接可靠和降低成本的特点。