notch depth

例句：

1. 1. The notch depth of the saw blade is critical for cutting accuracy.
   锯片的槽深对切割精度至关重要。
2. 2. The engineer carefully measured the notch depth to ensure the structural integrity of the beam.
   工程师仔细测量了槽深，以确保梁的结构完整性。
3. 3. The notch depth of the drill bit can affect the quality of the hole being made.
   钻头槽深会影响所打孔的质量。