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The instability and failure of strip coal pillar along strike is a typical nonlinear process.
走向条带煤柱的破坏失稳是典型的偏离平衡态的非线性过程。
youdao
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The instability and failure of strip coal pillar along strike is a typical nonlinear process.
走向条带煤柱的破坏失稳是典型的偏离平衡态的非线性过程。
youdao