helicoidal
adj. 螺旋状的,螺旋面的(同 helicoid); n. 螺旋面
adj.=helicoid
easterling escadrille nonaggression persevering plaint qualitatively unclench下载迅蛙App
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adj. 螺旋状的,螺旋面的(同 helicoid); n. 螺旋面
adj.=helicoid
easterling escadrille nonaggression persevering plaint qualitatively unclench