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工程地质钻探
eng.geol.
engineering geological drilling
tech.
engineering boring
;
engineering drilling
;
engineering geologic drilling
工程地质钻探
利用钻探机械设备,探明工程区域地下一定深度内的工程地质情况,以补充、验证地面测绘资料的勘探工作
expl.
engineering geological drilling
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