水井

• It is rotarians drilling water wells
  扶轮社员们凿水井。
• Cover tightly all water containers , wells and water storage tanks , and
  贮水器皿、水井及水箱要紧盖好；及
• Cover tightly all water containers , wells and water storage tanks ; and
  贮水器皿、水井及水箱要紧盖好；及
• This chip is composed of descrete nano - wells in which enzymes are bound
  这一芯片是由离散纳米酶必将在水井
• Even today , a well and a small shrine from the time remain unspoiled
  直到现在还保留有当时的水井和小祠堂。
• Plastics frames for use in gully tops and manhole tops for pedestrian areas
  行人区域的水井和人孔顶部用塑料框架
• Graphical layout and documentation of wells and ground water measuring points
  水井和地下水测量点的布置图和文件
• Standards to acidizing design and treatment evaluation for oil well and water well
  油水井酸化设计与施工验收规范
• Drawn wells are seldom dry
  水井常用不枯竭
• Water towers are more expensive than wells , but hold a lot more water
  水塔比水井的建造费用昂贵，但能支持更多的供水量。