blast orifice

例句：

1. 1. The engineer carefully measured the blast orifice to ensure it was accurate.
   工程师仔细测量了爆破孔以确保其准确无误。
2. 2. During the construction, the blast orifice was sealed to prevent dust from entering the air.
   施工期间，爆破孔被密封以防止灰尘进入空气。
3. 3.The blast orifice is crucial for the successful completion of the project.
   爆破孔对于项目的成功完成至关重要。