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岩心 yánxīn
bridg.constr.	core of rock; rock core; drill core; core log
dril.	column
oil	core sample
soil.	core
tech.	core of the section
岩心钻进过程中，采用取心工具从井下地层取出的岩石样品。它供地质描述和分析、测定地层参数、实验研究用。用于测定参数及实验用的岩心,多为小岩心柱，常用直径为 2.54cm yánxīn
expl.	core of rock
钻井岩心 yánxīn
dril.	drill core

岩 心: 460 phrases in 26 subjects

Agriculture	1
Architecture	4
Aviation	1
Bridge construction	8
Coal	1
Company name	1
Construction	5
Desert science	5
Drilling	125
Earth sciences	23
Ecology	1
Electronics	5
Engineering geology	6
Explosives and Explosive Ordnance Disposal	11
General	17
Geology	12
Geophysics	10
Hydroelectric power stations	6
Latin	2
Metallurgy	9
Mining	5
Oil / petroleum	170
Otorhinolaryngology	1
Technology	26
United Nations	2
Water resources	3