sawing speed的用法和樣例：
例句
- With a cutting speed and a high efficiency,the stonecutter can improve the mining ratio of mines.
具有高效的切割速度，可提高礦山開採率。 - This allows the user to adjust the cutting speed optimally for the working conditions and material for less waste and more control.
這就使得用戶可根據工作條件優化地調整切割速度，浪費很少的物料達到更好的控制。
