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to phrases
core section
dril. 岩心断面
el.mach. 铁芯叠片段; 铁芯段
tech. 反应堆活性区
core section
: 25 phrases in 8 subjects
Automobiles1
Bridge construction2
Electric machinery4
Electronics4
Hydroelectric power stations1
Oil / petroleum1
Rail transport1
Technology11

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