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倒 拱 | |
construct. | arch invert; inverted arch |
倒拱 | |
gen. | counter-vault |
archit. | counter vault |
bridg.constr. | reversed arch; inverse-arch |
hydroel.st. | inverted arch; invert |
met. | invert arch |
H 形的 | |
exhib. | zygal |
沟底 | |
desert. | trench bottom |
倒拱: 30 phrases in 6 subjects |
Architecture | 3 |
Bridge construction | 1 |
Engineering geology | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Technology | 23 |