three wing bit

机械英汉词典-机械资讯... ... three-winding transformer 三绕组变压器 three-wing bit 三翼钻头，三刃钻头 three-wire 三线 ...

进出口行业词汇英语... ... three-winding transformer 三绕组变压器 three-wing bit 三刃钻头 three-wire generator 三线发电机 ...

Untitled Document ... 钻具 Drill rig 合金三翼钻头 Three-wing bit 小螺纹钻 Miniature auger bit ...