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简介
the excavation safety and shoring and industry has been
promoted, innovated, and influenced by many talented
individuals; a few of these people I have had the privilege
to know. Through my conversations with them I have gained
much of the knowledge put forth in this book.
the excavation safety and shoring and industry has been
promoted, innovated, and influenced by many talented
individuals; a few of these people I have had the privilege
to know. Through my conversations with them I have gained
much of the knowledge put forth in this book.
上一篇：塑性分析和钢结构的设计
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