Arcak阿尔贾克arcn.弧；弧形物vi.形成电弧；按弧形轨迹行进Arc-spraying-coating电弧涂层arcuate artery of kidney肾弓形动脉arc furnace electrode ar电弧炉电极臂Arcanobacterium pyogenes化脓隐秘杆菌arcwise connected convex弧连通凸arcing ground suppressor接地电弧抑制器Arcofacies maculatipennisn.花翅梯顶飞虱arcus plantaris profundus跖深弓, 足底深弓arcus trachealis anterior[医] 气管前弓Arctostaphylos uva-ursi熊果