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单词 tube well
释义

tube well

noun
A well consisting of an iron pipe with a solid steel point and lateral perforations near the end, which is driven into the earth until a water-bearing stratum is reached, when a suction pump is applied to the upper end.Near two of these schools the tube well is broken....
  • In most areas there is a single tube well for hundreds of families.
  • Although there is one tube well for every 70 families, the wells are unusable because the water is salty.
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更新时间:2025/3/23 13:54:44