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The design and calculation of arresting net are the difficult and focal point of this kind of project.
拦阻网主索的设计计算是此类工程的难点和重点。
youdao
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The design and calculation of arresting net are the difficult and focal point of this kind of project.
拦阻网主索的设计计算是此类工程的难点和重点。
youdao