本文给出了该机的原理和整体结构，介绍了钻孔模块部分。并以推力气缸为例，详细说明了整机气动回路的工作原理及其动作顺序。
The work principle and the motion order of the pneumatic loop of total drill was explained based on the example of thrust force air cylinder.
曲轴上凸轮凸角的位置使气门在恰当的时侯开关，以便与气缸的工作顺序相一致。
The CAM lobes are so positioned on the camshaft as to cause the valves to open and close in the cylinders at the proper time with respect to the actions taking place, in the cylinders.
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