fishtail bit

英 美
  • 鱼尾钻,鱼尾式钻头,鱼尾钻头
  • bit n.少量;小块;片刻;马嚼子;(烟头等的)咬嘴;钻头;钥匙齿;一角二分半钱;[计]比特v.给(马等)上嚼口;约束动词bite的过去式和过去分词
  • fishtail adj.鱼尾状的v.摇尾行驶n.鱼尾(形);摆尾行驶
Noun:
  1. a drilling bit with cutting edges usually hardened against wear