subsurface investigation

常见例句

Results of electrical survey using noncontact electrodes agree with that of other methods for shallow subsurface investigation.
结果表明，不接触电极电法在浅层探测中与其他电法探测结果一致。
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When subsurface investigation reveals structural defects in the foundation area to be used for a structure, the foundation must be strengthened.
本地下勘探表明地基地区存在不良地层时，必须加固地基。
The investigation in the flow field particularly the miscible-phase flow field in a subsurface pump is the key to improvement of the performance of the pump.
研究泵内流场尤其是混相流流场，是改善抽油泵性能的关键所在。