求翻译：随着海洋资源的开发，立管结构被更多的运用在海洋开发领域，由于在使用中各种因素所造成的管道裂纹不可避免，为避免对含裂纹管道的失效破坏或盲目更换带来的经济损失，对含裂纹管道进行性能评定，掌握其破坏规律很有必要。是什么意思？

With the development of marine resources, the structure of the riser is more used in the field of marine development, pipeline crack caused by various factors in the use inevitably bring order to avoid the failure of the cracked pipe damage or replace the blind economic loss, cracked pipes for perfo

With the development of marine resources, the structure is more used in the field of development, as in the use of various factors in the pipeline, so as to avoid inevitable cracks with crack pipes to the damage or blind replacement the economic losses, with cracks in the pipe for performance measur

Along with marine resource development, pipe riser structure by more utilization in ocean development domain, because each kind of factor creates in the use the pipeline crack is inevitable, for avoids to containing the crack pipeline expiration to destroy the economic loss which or the blind replac

With the development of marine resources, application stack structure is more in the field of ocean development, resulting from the use of piping cracks caused by various factors in inevitable, to avoid failure damage of cracked pipes or blindly replace the economic losses brought about by, for eval

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