每个门的结构接口处都有柔性密封件，可保护金属接口免受气流的损坏。
A.Each door has flexible seals at its structure interface which protect the metal interfaces from damage by the airflow. B.Each door has flexible seals at its structure interface which protect the metal interfaces from no damage by the airflow. C.Each door has formalist seals at its structure interface which protect the metal interfaces from damage by the airflow.正确答案A
