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平凹 píngāo
tech. plano-concave (的)
平凹 píngāo
gen. plane-concave
auto. plane concave
平凹
: 121 phrases in 23 subjects
Agriculture3
Air defense1
Arabic language4
Architecture5
Automobiles10
Bridge construction4
Cartography1
Chemistry1
Compressors1
Desert science1
Drilling1
Electronics1
Engineering geology1
General13
Golf1
Ichthyology1
Metallurgy3
Oil / petroleum5
Plastic surgery1
Polygraphy13
Technology45
Textile industry4
Work flow1