| 释义 |
heading face短语¹⁸⁰⁰⁹⁸⁺¹
基本例句
🥺巷道工祖,工作面前壁
The practice demonstrates that the prediction to adverse geologic condition in front of the heading face by boring radar and BEAM electric method, especially to water- holding condition, is satisfied.
实践表明，采用钻孔雷达和 BEAM电法探测技术对隧道掌子面前方的不良地质情况，尤其是含水情况具有较好的预测结果。 cnki |