并采用细目碳酸钙及变形粒子对油层进行了保护。

In addition, fine calcium carbonate and a deformable particle were used to protect the reservoir.

youdao

并采用细目碳酸钙及变形粒子对油层进行了保护。

In addition, fine calcium carbonate and a deformable particle were used to protect the reservoir.

youdao