pneumatic drill
常见例句
- 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。 收藏。
http://dict.hjenglish.com - The sound of a snore (up to 69 decibels) can be almost as loud as the noise of a pneumatic drill.
鼾声（最高达69分贝）的响度可能相当于风钻的噪音。 - The importance and application of a new type pneumatic drill in drilling are introduced.
介绍了风钻在凿岩和钻探技术中的重要性和应用。 返回 pneumatic drill