manhole

常见例句

• Someone is working in the manhole.
  有人在（鍋爐的）檢脩孔中工作。
• I need to find a manhole tool...
  我需要找個通道蓋子工具...
• Here's the question: Why are manhole covers round?
  這個問題是：爲什麽下水道井蓋都是圓的?
• Or the manhole cover outside your apartment?
  還是你公寓外麪的下水井蓋?
• Why are manhole cover round in shape?
  點解下水道的蓋是圓形的?
• Please move the manhole cover away.
  請將人孔蓋移開。
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