pneumatic drill [矿业] 风钻 ; 空气钻 ; 气钻
pneumatic drill support 凿岩机气腿
silenced pneumatic drill 低噪音气动钻机
a pneumatic drill 气压钻机 ; 风钻
pneumatic drill cradle [矿业] 风钻槽形托架
pneumatic rock drill 风动凿岩机 ; 气动凿岩机 ; 风动岩石钻机
reversible close-quarter pneumatic drill 狭小地方用的风钻
pneumatic percussion drill [建] 气动冲击钻
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。
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。
The frame construction, the work flow and the three dimensional modelling method of pneumatic rock drill based on virtual prototype technology were elaborated.
阐述了气动凿岩机虚拟样机设计的框架结构、工作流程和三维模型构建方法，并在此基础上进行了参数化设计与运动仿真的研究。
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