groundwater drainage works

常見(jiàn)例句

雙語(yǔ)例句

• The paper considers that the drainage works and the impervious element are the effective measures for reducing external water pressure on the lining and maintaining groundwater balance.
  文章認(rèn)為，設(shè)置排水設(shè)施和地層防滲加固是減小襯砌外水壓力及維持地下水系平衡的有效措施。
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