drillhole 中文意思是什麼
drillhole
解釋
鉆孔-
Abstract : this paper describes the working principle of drillhole radar and recommends two working patterns : single - drillhole reflection and crosshole tomographic imaging. the technique was used to make lithologic evaluation of deep strata and detect geological anomalous bodies with obvious effects obtained
文摘:闡述了鉆孔雷達的工作原理，介紹了單孔反射和跨孔層析成像2種工作方式，並將其用於深部巖層巖性評價和地質異常體探測，效果顯著。 -
Application of across - drillhole water infusion to prevent gas outburst in excavating face
頂分層工作面瓦斯綜合治理措施
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