three-lipped drill

机械英汉词... ... three-lip keyway cutter 三面刃键槽铣刀 three-lipped drill 三缘钻头 three-moment equations 三弯矩方程组 ...

直角三角形_馆档网 ... "三颚夹头"," three-jaw chuck" "三刃钻头"," three-lipped drill" "三路式热风炉"," three-pass stove" ...