pipes

例句:

• Jacobus says old pipes and fixtures can leach metals.
  来自VOA
• The inves-tigators found that the underground pipes were badly corroded.
  调查人员发现地下管道严重腐蚀。
  
• I listened to the water rattle in the pipes.
  来自NEWYORKER
• Engineers noticed that the pipes were not expanding as expected.
  工程师注意到管道并没有如预期那样膨胀。
  
• The tented ceiling hides a maze of water pipes.
  形似帐篷的天花板上隐藏着迷宫似的水管。
  
• Large rotary pumps for forcing filtered water through pipes.
  来自H. Williamson