凹口

• notch
• gap
• dap
• Nick
• warped finish
• slot

参考释义

凹口 [āo kǒu]

• -
• 短语
  凹口比 notch ratio
  凹口板 notch plate
  凹口车床 gap lathe
  凹口试杆 notched bar
  凹口冲头 notching punch
  凹口管节 socket union
  凹口剪切机 gap shears
  凹口锯 concave saw
  凹口敏感比 notch sensitivity ratio
  凹口销 notch pin
  凹口研磨机 gap mill

例句

1. 木楼梯侧板，木楼梯小梁在阶梯两边支撑楼梯的踏板和竖板的有凹口的木板
   A notched board at either side of a staircase that supports the treads and risers.
2. 锯缝，劈痕切割型工具如锯或斧子所制造的沟槽或凹口
   A groove or notch made by a cutting tool, such as a saw or an ax.