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to phrases
钻孔岩心
zuànkǒng yánxīn
desert.
drill core
hydroel.st.
bore hole specimen
;
bore specimen
;
borehole core
;
boring core
钻孔岩心:
5 phrases
in 4 subjects
Bridge construction
2
Engineering geology
1
Explosives and Explosive Ordnance Disposal
1
General
1
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