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截面核心 | |
archit. | kern |
bridg.constr. | sectional kern; kern of cross-section; core of section |
周界 | |
gen. | border |
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kern | |||
sectional kern; kern of cross-section; core of section | |||
kern of section; core; core of the section |
截面核心 : 10 phrases in 3 subjects |
Bridge construction | 5 |
Engineering geology | 1 |
Technology | 4 |