响度降低
Loudness loss
以上为机器翻译结果,长、整句建议使用 人工翻译 。
首先,据勘察资料对隧道突涌水的孕险环境进行初步评价,以确定隧道不同区段降低致险因子影响度的施工对策;
Firstly, based on the preliminary evaluation for environment of dangerous source at the prospecting stage, the risk factors effect and construction of risk reduction can be determinated.
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