Arcenn.阿尔森(在荷兰；东经 6º11' 北纬 51º28')arcn.弧；弧形物vi.形成电弧；按弧形轨迹行进arcwise connected polyhedron弧连通多面体arcus lumbocostalis medialis腰肋内侧弓Arcanobacterium haemolyticum溶血隐秘杆菌arc-shaped releasing plate弧形放松板arc-glow plasma depositing弧辉等离子沉积arca measurement of catalyst[机] 催化剂表面积测定arcing grounding overvoltage电弧接地过电压arcus venosus dorsalis pedis足背静脉弓arc-resistant enamel paint耐弧磁漆arc perimeter strabismometry弧形视野计斜视测量[法]