under cutting

• 刨削T形槽,剑麻割叶不足

英英释义

名词 undercut:

1. the material removed by a cut made underneath

2. the tender meat of the loin muscle on each side of the vertebral column

3. a notch cut in the trunk of tree in order to determine the direction of its fall

4. (sports) a stroke that puts reverse spin on the ball

5. a cut made underneath to remove material