...stratum softening by water 本文针对在PHC管桩基础设计与施工中存在的有关桩身抗水土腐蚀的防护 water bearing stratum 含水层 water proofing stratum 防水层 ..
基于80个网页-相关网页
An aquifer is a water - bearing rock stratum such as sandstone and chalk.
地下蓄水层是一些有水的岩石层，如沙岩和白垩岩。
Based on hydrochemical data of water samples from each water-bearing stratum, a discernment model of mine shaft water resource outburst is established using fuzzy comprehensive evaluation.
根据各含水层水样的水化学资料，用模糊综合评判方法建立矿井突水水源判别模型，并通过与其它方法对比，效果较。
The stratum laws of gas bearing, water bearing and dry one are studied by single-interval test and logging information, A set of interpretation methods for working site are summarized.
文章运用单层测试、测井信息研究了干层、气层及水层的规律，总结出一套现场解释方法。
应用推荐