man hole
柯林斯词典
1. N-COUNT A manhole is a large hole in a road or path, covered by a metal plate that can be removed. Workers climb down through manholes when they want to examine or clean the drains. (路面下水道的)出入孔; 检修孔; 人孔
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1. N-COUNT A manhole is a large hole in a road or path, covered by a metal plate that can be removed. Workers climb down through manholes when they want to examine or clean the drains. (路面下水道的)出入孔; 检修孔; 人孔