凹形

• suck
• saucer shape
• mold

参考释义

凹形 [āo xíng]

• -
• 短语
  凹形槽 Baltimore groove
  凹形垫 thumb pad
  凹形辊身 concave barrel
  凹形规划法 concave programming
  凹形剪 concave shear
  凹形角焊缝 concave fullet [filled] weld
  凹形接电器 concave collector
  凹形轮辋 concave rim
  凹形皮革件 leather hollows
  凹形器皿 hollow ware
  凹形竖曲线 vertical sag curve
  凹形弹簧片 dented spring leaf
  凹形铁 channel
  凹形凸轮 concave cam
  凹形挖掘铲 undercutter
  凹形铣刀 concave (milling) cutter
  凹形线脚 {建} congé
  凹形阴极 reentrant cathode
  凹形凿 concave bit
  凹形砖（砌拱用砖） concave brick
  凹形钻头 concave bit