manhole是什么意思
【manhole】的意思是【人孔，检修孔；探孔；入孔；进人孔】。 英文释义【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】。英 [ˈmænhəʊl] 美 [ˈmænhoʊl] 双语例句 1....