The resistance of epoxy - modified phenolic resin to medium in oil well was mainly discussed.

重点研究了环氧改性酚醛树脂在油井防砂中的耐介质情况。

youdao

The resistance of epoxy - modified phenolic resin to medium in oil well was mainly discussed.

重点研究了环氧改性酚醛树脂在油井防砂中的耐介质情况。

youdao