阐述超声检测技术在在役输油管道检测中的应用，提出一种新型结构的在役管道检测爬机，对该结构爬机的一些关键技术进行了论述。
The application of ultrasonic technique to the inspection of inservice oil pipelines is discussed and a new type of pig is put forward. The key points of the intelligent pig are described.
她爬进了一台起重机，然后她开着冲向异形。
She climbed into a crane. Then she drove it towards the aliens.
令人称奇的是35岁的飞行员麦克·纽曼在这高性能的雨燕s - 1滑翔机的驾驶舱因撞击破碎后竟然从舱里爬了出来。
Amazingly pilot Mike Newman, 35, crawled out of the wreckage of the high performance Swift S-1 gilder after the cockpit broke up on impact.
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