annularity

基本解释

• 环状,环形状态

同根派生

英汉例句

• The annular markings on a tree indicate its age.
  树的环形纹理显示其年龄。
• It was reported that there would be an annular eclipse tomorrow.
  据报道说，明天有日环食。
• HSS-E annular cutter with weldon shank, 25mm D.O.C.
  双削平柄系列超硬高速钢孔钻，切削深度25毫米.
• HSS-E annular cutter with weldon shank, 50mm D.O.C.
  双削平柄系列超硬高速钢孔钻，切削深度50毫米.
• Disk annular, margin crenately lobed.
  花盘环状，边缘浅裂。