inspection hole

例句：

1. 1. The engineer used a drill to create an inspection hole in the wall.
   工程师使用钻头在墙上钻了一个检查孔。
2. 2. The technician carefully inspected the hole before sealing it with tape.
   技术员仔细检查了这个洞，然后用胶带封住了它。
3. 3. The construction crew had to dig a hole for the inspection hole, which required extra labor.
   施工队不得不挖一个检查孔，这需要额外的劳动力。