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双凹 shuāng’āo
archit. double concave
tech. biconcave (的); concave-concave (的); double concave (的)
双凹 shuāng’āo
gen. concavo-concave (的)
双 凹
: 63 phrases in 16 subjects
Agriculture3
Animal husbandry1
Architecture2
Automobiles3
Business1
Construction3
Earth sciences2
Electronics1
General11
Ichthyology1
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Textile industry9