subsurface investigation

常见例句

Results of electrical survey using noncontact electrodes agree with that of other methods for shallow subsurface investigation.
結果表明，不接觸電極電法在淺層探測中與其他電法探測結果一致。
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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區存在不良地層時，必須加固地基。
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.
研究泵內流場尤其是混相流流場，是改善抽油泵性能的關鍵所在。