Place the panel face up before cutting.

将面板的正面朝上放，然后切割。

When cutting hard rock the edge soon became dull.

切割坚硬的石头时，刀刃很快就变钝了。

But various cutting inner hole and small angle cutting.

可切割各种内孔及小角度切割。

Cutting cost is the cost of oxyacetylene cutting 1/3.

切割成本低，是氧乙炔切割成本的1/3。

Laser cutting reaches high precision, and can realize tiny cutting.

实现切割精度高, 并且可以实现微量切割.