DSZ-A not only can plug high water-bearing formation, but also can plug case leakage.

DSZ - A堵剂不但可以封堵高含水层，而且可用于套管堵漏。

youdao

DSZ-A not only can plug high water-bearing formation, but also can plug case leakage.

DSZ - A堵剂不但可以封堵高含水层，而且可用于套管堵漏。

youdao