centre drilling meaning in Chinese
中心钻削
Examples
- Centre drills for centre holes with protecting chamfer - type b
带护槽的中心钻. b型 - Centre drills for centre holes with radius form - type r
弧型中心钻. r型 - Centre drills for centre holes without protecting chamfers - type a
不带护槽的中心钻. a型 - Drills and reamers - combined drills and countersinks centre drills
钻头和铰刀.第2部分:复合钻和锪钻中心钻 - Centre drills for centre holes
中心孔钻