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hydrogeological borehole
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hydrogeological borehole
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水文地质钻探
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hydrogeological borehole
水文地质钻孔
用于水文地质调查与勘探而实施的钻孔。钻孔除用于直接获取地质与水文地质资料外,还用于实施水文地质试验和测井等工作。是水文地质勘探最重要的技术手段,多在水文地质详查、精查阶段施工。钻孔是在充分研究水文地质测绘、水文地质物探和各类既有地质钻孔的地质、水文地质资料基础上,根据水文地质工作的需要而专门布置的。
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silver constant
Silver Dishes from Linzi
silver dishes with gilt engraved and punched pattern of the Tang Dynasty
silver fragrance purse with grape, flower and bird patterns
silver gudgeon
silver halide latex
silver halide photographic materials
silver halide photosensitive material
Silver Human Figure in Dress of the Warring States Period from Jincun
Silver indiscernible
Silver indiscernibles
silvering
Silver Ingot “Cheng An Bao Huo”
Silver-inscribed Round Credential in the Shape of a Tiger's Head of the Yuan Dynasty
silver iodide
silver jewelery
silver-leaf bryum
Silver Light
silver metallurgy
silver nitrate
silver number
silver ore resouces
Silver Plate with Sasanian King Hunting Lions
silver plating
silver pomfret
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