钻孔攻丝类工具: 气钻 、 弯角气钻 、 气动攻丝机 、 倒角机.
来源:网络文摘精选This paper designed a new type of muffler for pneumatic drill with the theory of impedance.
利用阻抗消声原理为气动凿岩机设计了一种新型的消声罩.
来源:网络文摘精选As the men refused to stop working, the police attempted to seize the pneumatic drill.
因为工人拒绝停止工作, 警察想要去抢下那个气钻.
来源:网络文摘精选When a student recently saw two workmen using a pneumatic drill outside his university.
最近有个学生看见两个工人在大学校门外用风钻干活.
来源:网络文摘精选This paper is based the full analyse and research of noise source of pneumatic drill.
对气动凿岩机产生的噪声声源进行了全面的分析研究,介绍了各声源的特性及测试方法.
来源:网络文摘精选The invention of pneumatic drill . This device compressed air to bore holes in the rock.
风钻的发明. 这种工具用压缩空气在岩石中打洞.
来源:网络文摘精选Type QQP Pneumatic spiders are utilized to grip drill pipe and tubing in oil well repairing.
QQP气动卡盘适用于油田修井作业中卡持钻杆、油管等.
来源:网络文摘精选
简答网 · 高考英语

简答网 · 高考英语

简答网 · 四六级英语

简答网 · 高考英语

简答网 · 四六级英语

简答网 · 中考英语