The boy punched holes in the paper so it would fit in his notebook.

那男孩在纸上打洞以便装在笔记本上。

The rabbits burrowed into the hillside.

兔子在山腰上打洞。

The machine mainly includes electromotor framework, dibbling mechanism, sowing mechanism, powered mechanism, pneumatic electric and PLC control panel.

该机主要由电动机、机架、打洞装置、种装置、传动机构、气动、电气及PLC控制等部分组成。