... 可变形锁紧螺钉 deformable locking screw 可变形颗粒 deformable particle 变形，失真，畸变 deformation ...
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In addition, fine calcium carbonate and a deformable particle were used to protect the reservoir.
并采用细目碳酸钙及变形粒子对油层进行了保护。
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