It solved the difficult problems of thermal insulation or separate steam injection in general steam injection well, separate steam injection well, and side track well.
它解决了普通注汽井、分层注汽井和侧钻井的隔热或分层注汽的难题。
It solved the difficult problems of thermal insulation or separate steam injection in general steam injection well, separate steam injection well, and side track well.
它解决了普通注汽井、分层注汽井和侧钻井的隔热或分层注汽的难题。
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