It is a very important technical question whether water injection string can rely on string weight to go through the well hole or not.
注水管柱能否靠自重下放到井底是一个十分重要的技术问题。
It is a very important technical question whether water injection string can rely on string weight to go through the well hole or not.
注水管柱能否靠自重下放到井底是一个十分重要的技术问题。
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