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circular arc

['sə:kjulə 'a:k]
hydroel.st. 圆弧
circular-arc
: 42 phrases in 13 subjects
Automobiles16
Aviation2
Bridge construction5
Chemistry1
Compressors1
Engineering geology3
Hydroelectric power stations2
Mechanic engineering1
Metallurgy2
Polymers1
Surveying1
Technology6
Wind Energy1

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