guide hole

例句：

1. 1. The engineer carefully guided the drill into the guide hole before starting to drill.
   工程师小心翼翼地将钻头引导到导向孔中开始钻孔。
2. 2. The construction crew had to remove the old guide hole and replace it with a new one.
   建筑工人不得不拆除旧的导向孔并更换成新的。
3. 3.The safety inspection required that all access holes be sealed to prevent leaks.
   安全检查要求所有开口都密封起来以防止泄漏。