Arcis阿尔西arcn.弧；弧形物vi.形成电弧；按弧形轨迹行进arc suppression filling灭弧填料arc zero-current area电弧电流零休区arc-shaped breakwater圆弧型防波堤arcus dentalis superior[医] 上[颌]牙弓, 上[颌]齿弓Arcoscalpellum ciliatumn.毛小铠茗荷arc extinguish chambers吹弧室Arc-shaped spinnerets圆弧狭缝式喷丝板arc sine transformation反正弦转换,反正弦变换arcuate veins of kidney(肾)弓状静脉Arcaleiodes unifasciatan.单带弓脉茧蜂