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平凹的 píng’āo de
gen. planoconcave
agric. plane-concave (planoconcavus); planoconcave (planoconcavus)
auto. plano-concave
平 凹 的
: 33 phrases in 8 subjects
Architecture2
Automobiles5
Desert science1
Drilling1
General7
Golf1
Technology15
Textile industry1