塌方时有发生
Landslides happen from time to time
以上为机器翻译结果,长、整句建议使用 人工翻译 。
就锚喷支护过程中隧道塌方事故时有发生的问题,从理论上对塌方的原因进行了分析。
Some problems often occur when using anchor spray support against tunnel landslip. The landslip theory reasons are did analysis in this paper.
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