The paper studies the affecting factors, major forms and market recognition ability of tunnel digging. At last, the author puts forwards Suggestions about future stu...
本文讨论了隧道挖掘的影响因素、主要形式和市场识别能力，并对未来研究提出建议。
The paper studies the affecting factors, major forms and market recognition ability of tunnel digging. At last, the author puts forwards Suggestions about future stu...
本文讨论了隧道挖掘的影响因素、主要形式和市场识别能力，并对未来研究提出建议。
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