水井

• And , as i walked on so , i found the well , at daybreak
  于是，就这样走着，我在黎明时发现了水井。
• Sands and gravels for well construction - requirements and testing
  水井建造用砂和砂砾.要求和检验
• Cover tightly all water containers , wells and water storage tanks
  贮水器皿、水井及水箱要紧盖好；
• Cover tightly all water containers , wells and water storage tanks
  贮水器皿、水井及水箱要紧盖好；
• Now , the wells have run dry , too
  现在，这里的水井也没水了。
• Cover tightly all water containers , wells and water storage tanks
  盖紧所有贮水容器水井及贮水池。
• Cover tightly all water containers , wells and water storage tanks ,
  贮水器皿、水井及水箱要紧盖好；
• Quartz sand for sand control in oil , gas wells and water injection wells
  油气水井防砂作业用石英砂
• 3 . cover tightly all water containers , wells and water storage tanks
  3 .贮水器皿水井及水箱要紧盖好
• 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