breast drill
breast drill是什么意思、breast drill怎么读
            
                【机】 胸压钻
                
                    
                
                
                
                
                
            
            breast drill汉语翻译
【机】 胸压钻
                breast drill英语解释
名词 breast drill:
- a portable drill with a plate that is pressed against the chest to force the drill point into the work