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core hole
auto. 铸造型芯
bridg.constr. 岩心钻孔
dril. 取心井
eng.geol. 岩芯钻孔
met. 型芯通气孔
tech. 岩芯; 铸孔
core-hole
gen. 岩芯钻孔
core hole: 15 phrases in 7 subjects
Automobiles1
Bridge construction1
Drilling2
Electric machinery2
Hydroelectric power stations1
Oil / petroleum2
Technology6