... core template砂心模板;型芯样板;心模板 core drilling取芯钻探;钻取土芯;钻取岩芯;岩心钻进 core diameter土芯直径;芯样直径;岩芯直径;根径 ...
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... core template砂心模板;型芯样板;心模板 core drilling取芯钻探;钻取土芯;钻取岩芯;岩心钻进 core diameter土芯直径;芯样直径;岩芯直径;根径 ...
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... core template砂心模板;型芯样板;心模板 core drilling取芯钻探;钻取土芯;钻取岩芯;岩心钻进 core diameter土芯直径;芯样直径;岩芯直径;根径 ...
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... core template砂心模板;型芯样板;心模板 core drilling取芯钻探;钻取土芯;钻取岩芯;岩心钻进 core diameter土芯直径;芯样直径;岩芯直径;根径 ...
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core-drilling 取心钻进 ; [地质] 岩心钻进
core drilling machine 岩芯钻机 ; 岩心钻机
core drilling rig 取芯钻机 ; 取心钻机
core drilling method 岩心钻进法 ; 钻芯法
non-core drilling [油气] 不取心钻进
core drilling bit 取心钻头
diamond core drilling 金刚石取心钻井
One of the most important geophysical techniques is core drilling, which is carried out with a hollow cylinder through subsurface layers to obtain samples of rocks.
岩心钻探是最重要的地球物理勘探技术之一。进行钻探时，用一根空心管穿过地表下层获取岩石样品。
Diamond coring bits are utilized for core drilling.
在取芯钻井井段，选用金刚石取芯钻头。
This paper discusses the procedures of DTH hammer and core drilling with casing.
本文主要论述了空气潜孔锤跟管取心钻进规程。
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