Chinese translation for "旋式孔"

rotary boring
rotary drilling
rotary percussion boring

Similar Words：

"旋升飞机" Chinese translation, "旋升螺线" Chinese translation, "旋绳" Chinese translation, "旋绳器" Chinese translation, "旋式颤振" Chinese translation, "旋式燃烧系统" Chinese translation, "旋式碎石" Chinese translation, "旋首" Chinese translation, "旋首：琴头的螺旋形部分" Chinese translation, "旋输线的" Chinese translation