manual cutting meaning in English

人工裁切
手动切割
手工气割
手工切割
手人工切割

The investigation simulation method for sugarcane manual cutting
甘蔗人工砍切过程的仿真方法探讨
The traditional manual cutting and mechanical process , restricted by its low technology , can no long satisfy the processing need of higher precision and quality . anyway promote the new type laser engraving equipment
传统的雕刻和原机械加工由于受设备及技术的限制，被加工物的雕刻切割精度低而在一定程度上影响产品的质量。