subpermafrost water

• 冻土底水,永久冻土下位水

subpermafrost water的用法和样例：

例句

1. The oil sludge is burned out in the incinerator on board, and oily bilge water is separated with the oily water separator.
   油渣在船上的焚烧炉中烧掉，油污舱底水则用油水分离器分离。
2. Bottom water coning is an important factor affecting reservoir development effect, causing earlier water breakthrough, rapid water cut increase and production decrease.
   摘要底水锥进是影响底水油藏开发效果的重要因素。