1.风钻
1.a jackhammer
1.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。
2.As the men refused to stop working, the police attempted to seize the pneumatic drill.
由于工人拒绝停下手中的活，警察想夺风钻。
3.Fortunately, the pneumatic drill, which uses compressed air to bore holes in rock, was invented a few years after construction began.
幸运的是，风钻，它使用压缩空气钻洞，岩石，是发明了几年之后开始建设。
4.were tearing up the road with a pneumatic drill.
正在用风钻破坏路面。
5.It takes the shock and rotation noise as one of the main noise source of pneumatic drill.
将气动凿岩机的冲击噪声和回转噪声作为一种主要噪声声源。
6.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。
7.Tapping drilling tools: gas drilling, Eucampia pneumatic drill, pneumatic tapping machine, chamfering machine.
钻孔攻丝类工具：气钻、弯角气钻、气动攻丝机、倒角机。
8.But, the manufactural precise and the cost of pneumatic drill are very high, so there are many research works in this fields.
但是由于气力式排种器的制造精度和成本较高、播种机的总体结构较为复杂，所以在研制和开发上还有许多工作要做。
9.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学校门外用风钻干活。
10.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。