The retiring miner pneumatic drill over to his successor.

这位即将退休的矿工把风钻移交给他的接班人.

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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.

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It can provide the base for noise control of pneumatic drill.

为气动凿岩机噪声治理提供了依据.

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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.

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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.

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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.

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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.

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The noise from that pneumatic drill outside gets on my nerves.

外面风钻的噪音真使我心烦.

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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.

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