manhole [ˈmænhoʊl]

例句:

• Please move the manhole cover away .
  请将人孔盖移开。
  
• How about that manhole In the courtyard. You been down there?
  那么广场下面的通道呢? 你下去过 吗 ?
  
• Cast iron manhole cover anti impact resistance, easy rupture.
  铸铁检查井盖不耐冲击, 易破裂.
  
• In the center of the room is a manhole with an iron cover.
  来自NEWYORKER
• There are also more outside risks; manhole covers are very slippery when wet.
  来自BBC
• The HSE said Mr Halligan had been constructing brick manhole chambers above the circular tank which collected flood water.
  来自BBC